Home / 11,781.68-17,672.66-3,016.36

Finding the Fourth Proportional to 11,781.68, 17,672.66 and 3,016.36

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Solution

The fourth proportional to 11,781.68, 17,672.66 and 3,016.36 is: 4,524.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,781.68 : 17,672.66 = 3,016.36 : x
  2. Step 2: Convert to fraction form
    11,781.68/17,672.66 = 3,016.36/x
  3. Step 3: Cross multiply
    11,781.68x = 17,672.66 × 3,016.36
  4. Step 4: Simplify right side
    11,781.68x = 53,307,001.27
  5. Step 5: Solve for x
    x = 53,307,001.27/11,781.68
  6. Step 6: Final answer
    x = 4,524.57

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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.