Home / 10,749.46-16,127.97-3,355.78

Finding the Fourth Proportional to 10,749.46, 16,127.97 and 3,355.78

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Solution

The fourth proportional to 10,749.46, 16,127.97 and 3,355.78 is: 5,034.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,749.46 : 16,127.97 = 3,355.78 : x
  2. Step 2: Convert to fraction form
    10,749.46/16,127.97 = 3,355.78/x
  3. Step 3: Cross multiply
    10,749.46x = 16,127.97 × 3,355.78
  4. Step 4: Simplify right side
    10,749.46x = 54,121,919.17
  5. Step 5: Solve for x
    x = 54,121,919.17/10,749.46
  6. Step 6: Final answer
    x = 5,034.85

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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.