Home / 11,147.52-16,720.21-3,752.04

Finding the Fourth Proportional to 11,147.52, 16,720.21 and 3,752.04

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Solution

The fourth proportional to 11,147.52, 16,720.21 and 3,752.04 is: 5,627.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,147.52 : 16,720.21 = 3,752.04 : x
  2. Step 2: Convert to fraction form
    11,147.52/16,720.21 = 3,752.04/x
  3. Step 3: Cross multiply
    11,147.52x = 16,720.21 × 3,752.04
  4. Step 4: Simplify right side
    11,147.52x = 62,734,896.73
  5. Step 5: Solve for x
    x = 62,734,896.73/11,147.52
  6. Step 6: Final answer
    x = 5,627.70

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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.