Home / 8,629.88-12,943.26-2,304.86

Finding the Fourth Proportional to 8,629.88, 12,943.26 and 2,304.86

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Solution

The fourth proportional to 8,629.88, 12,943.26 and 2,304.86 is: 3,456.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,629.88 : 12,943.26 = 2,304.86 : x
  2. Step 2: Convert to fraction form
    8,629.88/12,943.26 = 2,304.86/x
  3. Step 3: Cross multiply
    8,629.88x = 12,943.26 × 2,304.86
  4. Step 4: Simplify right side
    8,629.88x = 29,832,337.53
  5. Step 5: Solve for x
    x = 29,832,337.53/8,629.88
  6. Step 6: Final answer
    x = 3,456.87

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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.