Home / 11,781.47-17,672.12-3,016.37

Finding the Fourth Proportional to 11,781.47, 17,672.12 and 3,016.37

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Solution

The fourth proportional to 11,781.47, 17,672.12 and 3,016.37 is: 4,524.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,781.47 : 17,672.12 = 3,016.37 : x
  2. Step 2: Convert to fraction form
    11,781.47/17,672.12 = 3,016.37/x
  3. Step 3: Cross multiply
    11,781.47x = 17,672.12 × 3,016.37
  4. Step 4: Simplify right side
    11,781.47x = 53,305,637.52
  5. Step 5: Solve for x
    x = 53,305,637.52/11,781.47
  6. Step 6: Final answer
    x = 4,524.53

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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.