Home / 8,882.28-12,255.30-5,154.12

Finding the Fourth Proportional to 8,882.28, 12,255.30 and 5,154.12

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Solution

The fourth proportional to 8,882.28, 12,255.30 and 5,154.12 is: 7,111.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,882.28 : 12,255.30 = 5,154.12 : x
  2. Step 2: Convert to fraction form
    8,882.28/12,255.30 = 5,154.12/x
  3. Step 3: Cross multiply
    8,882.28x = 12,255.30 × 5,154.12
  4. Step 4: Simplify right side
    8,882.28x = 63,165,286.84
  5. Step 5: Solve for x
    x = 63,165,286.84/8,882.28
  6. Step 6: Final answer
    x = 7,111.38

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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.