Home / 11,781.36-17,673.96-3,881.52

Finding the Fourth Proportional to 11,781.36, 17,673.96 and 3,881.52

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Solution

The fourth proportional to 11,781.36, 17,673.96 and 3,881.52 is: 5,822.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,781.36 : 17,673.96 = 3,881.52 : x
  2. Step 2: Convert to fraction form
    11,781.36/17,673.96 = 3,881.52/x
  3. Step 3: Cross multiply
    11,781.36x = 17,673.96 × 3,881.52
  4. Step 4: Simplify right side
    11,781.36x = 68,601,829.22
  5. Step 5: Solve for x
    x = 68,601,829.22/11,781.36
  6. Step 6: Final answer
    x = 5,822.91

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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.