Home / 11,781.91-17,675.46-3,884.11

Finding the Fourth Proportional to 11,781.91, 17,675.46 and 3,884.11

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Solution

The fourth proportional to 11,781.91, 17,675.46 and 3,884.11 is: 5,827.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,781.91 : 17,675.46 = 3,884.11 : x
  2. Step 2: Convert to fraction form
    11,781.91/17,675.46 = 3,884.11/x
  3. Step 3: Cross multiply
    11,781.91x = 17,675.46 × 3,884.11
  4. Step 4: Simplify right side
    11,781.91x = 68,653,430.94
  5. Step 5: Solve for x
    x = 68,653,430.94/11,781.91
  6. Step 6: Final answer
    x = 5,827.02

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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.