Home / 9,175.13-13,767.88-3,909.59

Finding the Fourth Proportional to 9,175.13, 13,767.88 and 3,909.59

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Solution

The fourth proportional to 9,175.13, 13,767.88 and 3,909.59 is: 5,866.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,175.13 : 13,767.88 = 3,909.59 : x
  2. Step 2: Convert to fraction form
    9,175.13/13,767.88 = 3,909.59/x
  3. Step 3: Cross multiply
    9,175.13x = 13,767.88 × 3,909.59
  4. Step 4: Simplify right side
    9,175.13x = 53,826,765.97
  5. Step 5: Solve for x
    x = 53,826,765.97/9,175.13
  6. Step 6: Final answer
    x = 5,866.59

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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.