Home / 11,452.20-15,813.17-7,627.57

Finding the Fourth Proportional to 11,452.20, 15,813.17 and 7,627.57

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Solution

The fourth proportional to 11,452.20, 15,813.17 and 7,627.57 is: 10,532.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,452.20 : 15,813.17 = 7,627.57 : x
  2. Step 2: Convert to fraction form
    11,452.20/15,813.17 = 7,627.57/x
  3. Step 3: Cross multiply
    11,452.20x = 15,813.17 × 7,627.57
  4. Step 4: Simplify right side
    11,452.20x = 120,616,061.10
  5. Step 5: Solve for x
    x = 120,616,061.10/11,452.20
  6. Step 6: Final answer
    x = 10,532.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.