Home / 11,766.75-17,651.78-3,447.36

Finding the Fourth Proportional to 11,766.75, 17,651.78 and 3,447.36

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Solution

The fourth proportional to 11,766.75, 17,651.78 and 3,447.36 is: 5,171.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,766.75 : 17,651.78 = 3,447.36 : x
  2. Step 2: Convert to fraction form
    11,766.75/17,651.78 = 3,447.36/x
  3. Step 3: Cross multiply
    11,766.75x = 17,651.78 × 3,447.36
  4. Step 4: Simplify right side
    11,766.75x = 60,852,023.06
  5. Step 5: Solve for x
    x = 60,852,023.06/11,766.75
  6. Step 6: Final answer
    x = 5,171.52

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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.