Home / 8,459.97-12,691.18-2,617.03

Finding the Fourth Proportional to 8,459.97, 12,691.18 and 2,617.03

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Solution

The fourth proportional to 8,459.97, 12,691.18 and 2,617.03 is: 3,925.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,459.97 : 12,691.18 = 2,617.03 : x
  2. Step 2: Convert to fraction form
    8,459.97/12,691.18 = 2,617.03/x
  3. Step 3: Cross multiply
    8,459.97x = 12,691.18 × 2,617.03
  4. Step 4: Simplify right side
    8,459.97x = 33,213,217.93
  5. Step 5: Solve for x
    x = 33,213,217.93/8,459.97
  6. Step 6: Final answer
    x = 3,925.93

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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.