Home / 7,355.38-11,033.07-2,161.25

Finding the Fourth Proportional to 7,355.38, 11,033.07 and 2,161.25

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Solution

The fourth proportional to 7,355.38, 11,033.07 and 2,161.25 is: 3,241.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,355.38 : 11,033.07 = 2,161.25 : x
  2. Step 2: Convert to fraction form
    7,355.38/11,033.07 = 2,161.25/x
  3. Step 3: Cross multiply
    7,355.38x = 11,033.07 × 2,161.25
  4. Step 4: Simplify right side
    7,355.38x = 23,845,211.73
  5. Step 5: Solve for x
    x = 23,845,211.73/7,355.38
  6. Step 6: Final answer
    x = 3,241.88

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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.