Home / 7,785.32-10,755.46-5,102.92

Finding the Fourth Proportional to 7,785.32, 10,755.46 and 5,102.92

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Solution

The fourth proportional to 7,785.32, 10,755.46 and 5,102.92 is: 7,049.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,785.32 : 10,755.46 = 5,102.92 : x
  2. Step 2: Convert to fraction form
    7,785.32/10,755.46 = 5,102.92/x
  3. Step 3: Cross multiply
    7,785.32x = 10,755.46 × 5,102.92
  4. Step 4: Simplify right side
    7,785.32x = 54,884,251.94
  5. Step 5: Solve for x
    x = 54,884,251.94/7,785.32
  6. Step 6: Final answer
    x = 7,049.71

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.