Home / 7,529.36-11,279.96-6,715.92

Finding the Fourth Proportional to 7,529.36, 11,279.96 and 6,715.92

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Solution

The fourth proportional to 7,529.36, 11,279.96 and 6,715.92 is: 10,061.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,529.36 : 11,279.96 = 6,715.92 : x
  2. Step 2: Convert to fraction form
    7,529.36/11,279.96 = 6,715.92/x
  3. Step 3: Cross multiply
    7,529.36x = 11,279.96 × 6,715.92
  4. Step 4: Simplify right side
    7,529.36x = 75,755,308.96
  5. Step 5: Solve for x
    x = 75,755,308.96/7,529.36
  6. Step 6: Final answer
    x = 10,061.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.