Home / 9,013.24-13,520.66-3,169.90

Finding the Fourth Proportional to 9,013.24, 13,520.66 and 3,169.90

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Solution

The fourth proportional to 9,013.24, 13,520.66 and 3,169.90 is: 4,755.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,013.24 : 13,520.66 = 3,169.90 : x
  2. Step 2: Convert to fraction form
    9,013.24/13,520.66 = 3,169.90/x
  3. Step 3: Cross multiply
    9,013.24x = 13,520.66 × 3,169.90
  4. Step 4: Simplify right side
    9,013.24x = 42,859,140.13
  5. Step 5: Solve for x
    x = 42,859,140.13/9,013.24
  6. Step 6: Final answer
    x = 4,755.13

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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.