Home / 11,418.04-17,129.40-4,398.04

Finding the Fourth Proportional to 11,418.04, 17,129.40 and 4,398.04

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Solution

The fourth proportional to 11,418.04, 17,129.40 and 4,398.04 is: 6,597.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,418.04 : 17,129.40 = 4,398.04 : x
  2. Step 2: Convert to fraction form
    11,418.04/17,129.40 = 4,398.04/x
  3. Step 3: Cross multiply
    11,418.04x = 17,129.40 × 4,398.04
  4. Step 4: Simplify right side
    11,418.04x = 75,335,786.38
  5. Step 5: Solve for x
    x = 75,335,786.38/11,418.04
  6. Step 6: Final answer
    x = 6,597.96

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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.