Home / 11,489.97-17,231.31-4,469.52

Finding the Fourth Proportional to 11,489.97, 17,231.31 and 4,469.52

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Solution

The fourth proportional to 11,489.97, 17,231.31 and 4,469.52 is: 6,702.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,489.97 : 17,231.31 = 4,469.52 : x
  2. Step 2: Convert to fraction form
    11,489.97/17,231.31 = 4,469.52/x
  3. Step 3: Cross multiply
    11,489.97x = 17,231.31 × 4,469.52
  4. Step 4: Simplify right side
    11,489.97x = 77,015,684.67
  5. Step 5: Solve for x
    x = 77,015,684.67/11,489.97
  6. Step 6: Final answer
    x = 6,702.86

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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.