Home / 11,922.39-17,876.61-3,599.91

Finding the Fourth Proportional to 11,922.39, 17,876.61 and 3,599.91

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Solution

The fourth proportional to 11,922.39, 17,876.61 and 3,599.91 is: 5,397.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,922.39 : 17,876.61 = 3,599.91 : x
  2. Step 2: Convert to fraction form
    11,922.39/17,876.61 = 3,599.91/x
  3. Step 3: Cross multiply
    11,922.39x = 17,876.61 × 3,599.91
  4. Step 4: Simplify right side
    11,922.39x = 64,354,187.11
  5. Step 5: Solve for x
    x = 64,354,187.11/11,922.39
  6. Step 6: Final answer
    x = 5,397.76

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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.