Home / 11,517.28-17,261.88-4,929.56

Finding the Fourth Proportional to 11,517.28, 17,261.88 and 4,929.56

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Solution

The fourth proportional to 11,517.28, 17,261.88 and 4,929.56 is: 7,388.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,517.28 : 17,261.88 = 4,929.56 : x
  2. Step 2: Convert to fraction form
    11,517.28/17,261.88 = 4,929.56/x
  3. Step 3: Cross multiply
    11,517.28x = 17,261.88 × 4,929.56
  4. Step 4: Simplify right side
    11,517.28x = 85,093,473.17
  5. Step 5: Solve for x
    x = 85,093,473.17/11,517.28
  6. Step 6: Final answer
    x = 7,388.33

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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.