Home / 10,418.97-15,644.66-8,452.29

Finding the Fourth Proportional to 10,418.97, 15,644.66 and 8,452.29

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Solution

The fourth proportional to 10,418.97, 15,644.66 and 8,452.29 is: 12,691.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,418.97 : 15,644.66 = 8,452.29 : x
  2. Step 2: Convert to fraction form
    10,418.97/15,644.66 = 8,452.29/x
  3. Step 3: Cross multiply
    10,418.97x = 15,644.66 × 8,452.29
  4. Step 4: Simplify right side
    10,418.97x = 132,233,161.01
  5. Step 5: Solve for x
    x = 132,233,161.01/10,418.97
  6. Step 6: Final answer
    x = 12,691.58

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1.5x scale

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.