Home / 11,618.20-17,424.06-4,691.08

Finding the Fourth Proportional to 11,618.20, 17,424.06 and 4,691.08

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Solution

The fourth proportional to 11,618.20, 17,424.06 and 4,691.08 is: 7,035.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,618.20 : 17,424.06 = 4,691.08 : x
  2. Step 2: Convert to fraction form
    11,618.20/17,424.06 = 4,691.08/x
  3. Step 3: Cross multiply
    11,618.20x = 17,424.06 × 4,691.08
  4. Step 4: Simplify right side
    11,618.20x = 81,737,659.38
  5. Step 5: Solve for x
    x = 81,737,659.38/11,618.20
  6. Step 6: Final answer
    x = 7,035.31

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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.