Home / 7,432.25-11,136.51-3,922.11

Finding the Fourth Proportional to 7,432.25, 11,136.51 and 3,922.11

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Solution

The fourth proportional to 7,432.25, 11,136.51 and 3,922.11 is: 5,876.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,432.25 : 11,136.51 = 3,922.11 : x
  2. Step 2: Convert to fraction form
    7,432.25/11,136.51 = 3,922.11/x
  3. Step 3: Cross multiply
    7,432.25x = 11,136.51 × 3,922.11
  4. Step 4: Simplify right side
    7,432.25x = 43,678,617.24
  5. Step 5: Solve for x
    x = 43,678,617.24/7,432.25
  6. Step 6: Final answer
    x = 5,876.91

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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.