Home / 11,832.78-17,744.76-3,933.18

Finding the Fourth Proportional to 11,832.78, 17,744.76 and 3,933.18

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Solution

The fourth proportional to 11,832.78, 17,744.76 and 3,933.18 is: 5,898.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,832.78 : 17,744.76 = 3,933.18 : x
  2. Step 2: Convert to fraction form
    11,832.78/17,744.76 = 3,933.18/x
  3. Step 3: Cross multiply
    11,832.78x = 17,744.76 × 3,933.18
  4. Step 4: Simplify right side
    11,832.78x = 69,793,335.14
  5. Step 5: Solve for x
    x = 69,793,335.14/11,832.78
  6. Step 6: Final answer
    x = 5,898.30

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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.