Home / 8,174.97-12,261.02-2,171.12

Finding the Fourth Proportional to 8,174.97, 12,261.02 and 2,171.12

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Solution

The fourth proportional to 8,174.97, 12,261.02 and 2,171.12 is: 3,256.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,174.97 : 12,261.02 = 2,171.12 : x
  2. Step 2: Convert to fraction form
    8,174.97/12,261.02 = 2,171.12/x
  3. Step 3: Cross multiply
    8,174.97x = 12,261.02 × 2,171.12
  4. Step 4: Simplify right side
    8,174.97x = 26,620,073.58
  5. Step 5: Solve for x
    x = 26,620,073.58/8,174.97
  6. Step 6: Final answer
    x = 3,256.29

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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.