Home / 10,502.38-15,753.87-3,927.31

Finding the Fourth Proportional to 10,502.38, 15,753.87 and 3,927.31

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Solution

The fourth proportional to 10,502.38, 15,753.87 and 3,927.31 is: 5,891.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,502.38 : 15,753.87 = 3,927.31 : x
  2. Step 2: Convert to fraction form
    10,502.38/15,753.87 = 3,927.31/x
  3. Step 3: Cross multiply
    10,502.38x = 15,753.87 × 3,927.31
  4. Step 4: Simplify right side
    10,502.38x = 61,870,291.81
  5. Step 5: Solve for x
    x = 61,870,291.81/10,502.38
  6. Step 6: Final answer
    x = 5,891.07

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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.