Home / 8,175.20-12,262.79-3,244.52

Finding the Fourth Proportional to 8,175.20, 12,262.79 and 3,244.52

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Solution

The fourth proportional to 8,175.20, 12,262.79 and 3,244.52 is: 4,866.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,175.20 : 12,262.79 = 3,244.52 : x
  2. Step 2: Convert to fraction form
    8,175.20/12,262.79 = 3,244.52/x
  3. Step 3: Cross multiply
    8,175.20x = 12,262.79 × 3,244.52
  4. Step 4: Simplify right side
    8,175.20x = 39,786,906.18
  5. Step 5: Solve for x
    x = 39,786,906.18/8,175.20
  6. Step 6: Final answer
    x = 4,866.78

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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.