Home / 9,142.90-13,718.33-3,600.27

Finding the Fourth Proportional to 9,142.90, 13,718.33 and 3,600.27

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Solution

The fourth proportional to 9,142.90, 13,718.33 and 3,600.27 is: 5,401.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,142.90 : 13,718.33 = 3,600.27 : x
  2. Step 2: Convert to fraction form
    9,142.90/13,718.33 = 3,600.27/x
  3. Step 3: Cross multiply
    9,142.90x = 13,718.33 × 3,600.27
  4. Step 4: Simplify right side
    9,142.90x = 49,389,691.95
  5. Step 5: Solve for x
    x = 49,389,691.95/9,142.90
  6. Step 6: Final answer
    x = 5,401.97

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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.