Home / 10,732.13-16,079.42-7,447.31

Finding the Fourth Proportional to 10,732.13, 16,079.42 and 7,447.31

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Solution

The fourth proportional to 10,732.13, 16,079.42 and 7,447.31 is: 11,157.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,732.13 : 16,079.42 = 7,447.31 : x
  2. Step 2: Convert to fraction form
    10,732.13/16,079.42 = 7,447.31/x
  3. Step 3: Cross multiply
    10,732.13x = 16,079.42 × 7,447.31
  4. Step 4: Simplify right side
    10,732.13x = 119,748,363.58
  5. Step 5: Solve for x
    x = 119,748,363.58/10,732.13
  6. Step 6: Final answer
    x = 11,157.94

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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.