Home / 11,791.48-17,691.90-4,864.36

Finding the Fourth Proportional to 11,791.48, 17,691.90 and 4,864.36

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Solution

The fourth proportional to 11,791.48, 17,691.90 and 4,864.36 is: 7,298.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,791.48 : 17,691.90 = 4,864.36 : x
  2. Step 2: Convert to fraction form
    11,791.48/17,691.90 = 4,864.36/x
  3. Step 3: Cross multiply
    11,791.48x = 17,691.90 × 4,864.36
  4. Step 4: Simplify right side
    11,791.48x = 86,059,770.68
  5. Step 5: Solve for x
    x = 86,059,770.68/11,791.48
  6. Step 6: Final answer
    x = 7,298.47

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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.