Home / 9,134.11-13,691.55-3,867.91

Finding the Fourth Proportional to 9,134.11, 13,691.55 and 3,867.91

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Solution

The fourth proportional to 9,134.11, 13,691.55 and 3,867.91 is: 5,797.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,134.11 : 13,691.55 = 3,867.91 : x
  2. Step 2: Convert to fraction form
    9,134.11/13,691.55 = 3,867.91/x
  3. Step 3: Cross multiply
    9,134.11x = 13,691.55 × 3,867.91
  4. Step 4: Simplify right side
    9,134.11x = 52,957,683.16
  5. Step 5: Solve for x
    x = 52,957,683.16/9,134.11
  6. Step 6: Final answer
    x = 5,797.79

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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.