Home / 8,461.22-11,677.60-5,105.95

Finding the Fourth Proportional to 8,461.22, 11,677.60 and 5,105.95

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Solution

The fourth proportional to 8,461.22, 11,677.60 and 5,105.95 is: 7,046.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,461.22 : 11,677.60 = 5,105.95 : x
  2. Step 2: Convert to fraction form
    8,461.22/11,677.60 = 5,105.95/x
  3. Step 3: Cross multiply
    8,461.22x = 11,677.60 × 5,105.95
  4. Step 4: Simplify right side
    8,461.22x = 59,625,183.33
  5. Step 5: Solve for x
    x = 59,625,183.33/8,461.22
  6. Step 6: Final answer
    x = 7,046.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.