Home / 10,724.28-16,080.66-4,882.20

Finding the Fourth Proportional to 10,724.28, 16,080.66 and 4,882.20

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Solution

The fourth proportional to 10,724.28, 16,080.66 and 4,882.20 is: 7,320.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,724.28 : 16,080.66 = 4,882.20 : x
  2. Step 2: Convert to fraction form
    10,724.28/16,080.66 = 4,882.20/x
  3. Step 3: Cross multiply
    10,724.28x = 16,080.66 × 4,882.20
  4. Step 4: Simplify right side
    10,724.28x = 78,508,998.25
  5. Step 5: Solve for x
    x = 78,508,998.25/10,724.28
  6. Step 6: Final answer
    x = 7,320.68

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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.