Math Problem Statement
A scale on a map shows that [2.5] centimeters represents [15] kilometers. What number of actual kilometers are represented by [17.5] centimeters on the map?
kilometers
Solution
To solve this, we can use the given scale to set up a proportion. The scale is centimeters on the map representing kilometers in real life. We want to find how many kilometers are represented by centimeters.
Let be the number of kilometers corresponding to centimeters. We set up the proportion as follows:
Now, solve for by cross-multiplying:
Now, divide both sides by :
So, centimeters on the map represents kilometers.
Do you want more details or have any questions? Here are 5 related questions for further practice:
- If 3 centimeters represent 18 kilometers, how many kilometers does 9 centimeters represent?
- If 5 centimeters on a map represent 40 kilometers, what is the actual distance for 12 centimeters?
- What is the distance represented by 7.5 centimeters on a map with a scale of 2 cm = 10 km?
- If a scale reads 1 cm = 5 km, how many centimeters would represent 50 km?
- How do you convert a map scale of 1:50,000 to a verbal scale in kilometers?
Tip: Always remember to use proportions when dealing with map scales; they help in comparing different values accurately!
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Math Problem Analysis
Mathematical Concepts
Proportions
Unit Conversion
Ratios
Formulas
(2.5 cm / 15 km) = (17.5 cm / x km)
Cross-multiplication formula
Theorems
Proportionality Theorem
Suitable Grade Level
Grades 6-8
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