Home / 11,102.53-16,657.36-3,981.97

Finding the Fourth Proportional to 11,102.53, 16,657.36 and 3,981.97

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Solution

The fourth proportional to 11,102.53, 16,657.36 and 3,981.97 is: 5,974.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,102.53 : 16,657.36 = 3,981.97 : x
  2. Step 2: Convert to fraction form
    11,102.53/16,657.36 = 3,981.97/x
  3. Step 3: Cross multiply
    11,102.53x = 16,657.36 × 3,981.97
  4. Step 4: Simplify right side
    11,102.53x = 66,329,087.89
  5. Step 5: Solve for x
    x = 66,329,087.89/11,102.53
  6. Step 6: Final answer
    x = 5,974.23

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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.