Home / 10,502.92-15,753.78-2,712.12

Finding the Fourth Proportional to 10,502.92, 15,753.78 and 2,712.12

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Solution

The fourth proportional to 10,502.92, 15,753.78 and 2,712.12 is: 4,068.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,502.92 : 15,753.78 = 2,712.12 : x
  2. Step 2: Convert to fraction form
    10,502.92/15,753.78 = 2,712.12/x
  3. Step 3: Cross multiply
    10,502.92x = 15,753.78 × 2,712.12
  4. Step 4: Simplify right side
    10,502.92x = 42,726,141.81
  5. Step 5: Solve for x
    x = 42,726,141.81/10,502.92
  6. Step 6: Final answer
    x = 4,068.03

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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.