Home / 8,171.52-12,260.12-3,244.56

Finding the Fourth Proportional to 8,171.52, 12,260.12 and 3,244.56

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Solution

The fourth proportional to 8,171.52, 12,260.12 and 3,244.56 is: 4,867.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,171.52 : 12,260.12 = 3,244.56 : x
  2. Step 2: Convert to fraction form
    8,171.52/12,260.12 = 3,244.56/x
  3. Step 3: Cross multiply
    8,171.52x = 12,260.12 × 3,244.56
  4. Step 4: Simplify right side
    8,171.52x = 39,778,694.95
  5. Step 5: Solve for x
    x = 39,778,694.95/8,171.52
  6. Step 6: Final answer
    x = 4,867.97

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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.