Home / 8,151.38-12,217.29-4,204.52

Finding the Fourth Proportional to 8,151.38, 12,217.29 and 4,204.52

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Solution

The fourth proportional to 8,151.38, 12,217.29 and 4,204.52 is: 6,301.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,151.38 : 12,217.29 = 4,204.52 : x
  2. Step 2: Convert to fraction form
    8,151.38/12,217.29 = 4,204.52/x
  3. Step 3: Cross multiply
    8,151.38x = 12,217.29 × 4,204.52
  4. Step 4: Simplify right side
    8,151.38x = 51,367,840.15
  5. Step 5: Solve for x
    x = 51,367,840.15/8,151.38
  6. Step 6: Final answer
    x = 6,301.74

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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.