Home / 8,080.61-12,120.92-2,534.44

Finding the Fourth Proportional to 8,080.61, 12,120.92 and 2,534.44

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Solution

The fourth proportional to 8,080.61, 12,120.92 and 2,534.44 is: 3,801.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,080.61 : 12,120.92 = 2,534.44 : x
  2. Step 2: Convert to fraction form
    8,080.61/12,120.92 = 2,534.44/x
  3. Step 3: Cross multiply
    8,080.61x = 12,120.92 × 2,534.44
  4. Step 4: Simplify right side
    8,080.61x = 30,719,726.61
  5. Step 5: Solve for x
    x = 30,719,726.61/8,080.61
  6. Step 6: Final answer
    x = 3,801.66

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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.