Home / 10,888.47-16,331.17-3,491.97

Finding the Fourth Proportional to 10,888.47, 16,331.17 and 3,491.97

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Solution

The fourth proportional to 10,888.47, 16,331.17 and 3,491.97 is: 5,237.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,888.47 : 16,331.17 = 3,491.97 : x
  2. Step 2: Convert to fraction form
    10,888.47/16,331.17 = 3,491.97/x
  3. Step 3: Cross multiply
    10,888.47x = 16,331.17 × 3,491.97
  4. Step 4: Simplify right side
    10,888.47x = 57,027,892.71
  5. Step 5: Solve for x
    x = 57,027,892.71/10,888.47
  6. Step 6: Final answer
    x = 5,237.46

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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.