Home / 11,766.60-17,649.92-5,192.80

Finding the Fourth Proportional to 11,766.60, 17,649.92 and 5,192.80

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Solution

The fourth proportional to 11,766.60, 17,649.92 and 5,192.80 is: 7,789.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,766.60 : 17,649.92 = 5,192.80 : x
  2. Step 2: Convert to fraction form
    11,766.60/17,649.92 = 5,192.80/x
  3. Step 3: Cross multiply
    11,766.60x = 17,649.92 × 5,192.80
  4. Step 4: Simplify right side
    11,766.60x = 91,652,504.58
  5. Step 5: Solve for x
    x = 91,652,504.58/11,766.60
  6. Step 6: Final answer
    x = 7,789.21

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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.