Home / 8,732.28-13,099.68-2,887.59

Finding the Fourth Proportional to 8,732.28, 13,099.68 and 2,887.59

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Solution

The fourth proportional to 8,732.28, 13,099.68 and 2,887.59 is: 4,331.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,732.28 : 13,099.68 = 2,887.59 : x
  2. Step 2: Convert to fraction form
    8,732.28/13,099.68 = 2,887.59/x
  3. Step 3: Cross multiply
    8,732.28x = 13,099.68 × 2,887.59
  4. Step 4: Simplify right side
    8,732.28x = 37,826,504.97
  5. Step 5: Solve for x
    x = 37,826,504.97/8,732.28
  6. Step 6: Final answer
    x = 4,331.80

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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.