Home / 7,974.62-11,963.66-2,428.41

Finding the Fourth Proportional to 7,974.62, 11,963.66 and 2,428.41

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Solution

The fourth proportional to 7,974.62, 11,963.66 and 2,428.41 is: 3,643.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,974.62 : 11,963.66 = 2,428.41 : x
  2. Step 2: Convert to fraction form
    7,974.62/11,963.66 = 2,428.41/x
  3. Step 3: Cross multiply
    7,974.62x = 11,963.66 × 2,428.41
  4. Step 4: Simplify right side
    7,974.62x = 29,052,611.76
  5. Step 5: Solve for x
    x = 29,052,611.76/7,974.62
  6. Step 6: Final answer
    x = 3,643.13

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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.