Home / 11,766.82-17,648.34-3,869.32

Finding the Fourth Proportional to 11,766.82, 17,648.34 and 3,869.32

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Solution

The fourth proportional to 11,766.82, 17,648.34 and 3,869.32 is: 5,803.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,766.82 : 17,648.34 = 3,869.32 : x
  2. Step 2: Convert to fraction form
    11,766.82/17,648.34 = 3,869.32/x
  3. Step 3: Cross multiply
    11,766.82x = 17,648.34 × 3,869.32
  4. Step 4: Simplify right side
    11,766.82x = 68,287,074.93
  5. Step 5: Solve for x
    x = 68,287,074.93/11,766.82
  6. Step 6: Final answer
    x = 5,803.36

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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.