Home / 10,285.77-15,425.45-3,711.10

Finding the Fourth Proportional to 10,285.77, 15,425.45 and 3,711.10

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Solution

The fourth proportional to 10,285.77, 15,425.45 and 3,711.10 is: 5,565.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,285.77 : 15,425.45 = 3,711.10 : x
  2. Step 2: Convert to fraction form
    10,285.77/15,425.45 = 3,711.10/x
  3. Step 3: Cross multiply
    10,285.77x = 15,425.45 × 3,711.10
  4. Step 4: Simplify right side
    10,285.77x = 57,245,387.50
  5. Step 5: Solve for x
    x = 57,245,387.50/10,285.77
  6. Step 6: Final answer
    x = 5,565.49

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Double scale
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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.