Home / 9,149.84-13,721.32-3,600.15

Finding the Fourth Proportional to 9,149.84, 13,721.32 and 3,600.15

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Solution

The fourth proportional to 9,149.84, 13,721.32 and 3,600.15 is: 5,398.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,149.84 : 13,721.32 = 3,600.15 : x
  2. Step 2: Convert to fraction form
    9,149.84/13,721.32 = 3,600.15/x
  3. Step 3: Cross multiply
    9,149.84x = 13,721.32 × 3,600.15
  4. Step 4: Simplify right side
    9,149.84x = 49,398,801.20
  5. Step 5: Solve for x
    x = 49,398,801.20/9,149.84
  6. Step 6: Final answer
    x = 5,398.87

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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.