Home / 10,966.88-15,135.11-6,251.27

Finding the Fourth Proportional to 10,966.88, 15,135.11 and 6,251.27

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Solution

The fourth proportional to 10,966.88, 15,135.11 and 6,251.27 is: 8,627.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,966.88 : 15,135.11 = 6,251.27 : x
  2. Step 2: Convert to fraction form
    10,966.88/15,135.11 = 6,251.27/x
  3. Step 3: Cross multiply
    10,966.88x = 15,135.11 × 6,251.27
  4. Step 4: Simplify right side
    10,966.88x = 94,613,552.16
  5. Step 5: Solve for x
    x = 94,613,552.16/10,966.88
  6. Step 6: Final answer
    x = 8,627.21

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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.