Home / 8,151.28-11,247.13-4,962.44

Finding the Fourth Proportional to 8,151.28, 11,247.13 and 4,962.44

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Solution

The fourth proportional to 8,151.28, 11,247.13 and 4,962.44 is: 6,847.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,151.28 : 11,247.13 = 4,962.44 : x
  2. Step 2: Convert to fraction form
    8,151.28/11,247.13 = 4,962.44/x
  3. Step 3: Cross multiply
    8,151.28x = 11,247.13 × 4,962.44
  4. Step 4: Simplify right side
    8,151.28x = 55,813,207.80
  5. Step 5: Solve for x
    x = 55,813,207.80/8,151.28
  6. Step 6: Final answer
    x = 6,847.17

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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.