Math Problem Statement
An artist built a scale model of a skyscraper using a scale in which 3 centimeters represents 45 meters. The height of the skyscraper is 360 meters.
What is the height of the scale model in centimeters?
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The height of the scale model is (Select) centimeters.
Solution
To determine the height of the scale model in centimeters, we can set up a proportion based on the given scale: 3 centimeters represents 45 meters.
Let be the height of the scale model in centimeters. The proportion is:
Cross-multiply to solve for :
Now, divide both sides by 45:
Thus, the height of the scale model is 24 centimeters.
Do you have any questions or want further details? Here are some related questions:
- How do you determine the scale ratio in other similar problems?
- If the model height was 30 cm, what would be the skyscraper's actual height?
- What if the scale was 1 cm = 30 meters? How would the model's height change?
- How can you convert between different units (e.g., cm to inches) when working with scale models?
- What other real-world objects could benefit from using a scale model?
Tip: Always check that both parts of a scale problem use consistent units before solving.
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Math Problem Analysis
Mathematical Concepts
Proportions
Ratios
Scale Models
Formulas
Scale Proportion Formula: (Model Length / Actual Length) = (Scale Factor)
Theorems
Proportionality Theorem
Suitable Grade Level
Grades 6-8