Home / 7,392.25-11,091.42-5,427.91

Finding the Fourth Proportional to 7,392.25, 11,091.42 and 5,427.91

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Solution

The fourth proportional to 7,392.25, 11,091.42 and 5,427.91 is: 8,144.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,392.25 : 11,091.42 = 5,427.91 : x
  2. Step 2: Convert to fraction form
    7,392.25/11,091.42 = 5,427.91/x
  3. Step 3: Cross multiply
    7,392.25x = 11,091.42 × 5,427.91
  4. Step 4: Simplify right side
    7,392.25x = 60,203,229.53
  5. Step 5: Solve for x
    x = 60,203,229.53/7,392.25
  6. Step 6: Final answer
    x = 8,144.10

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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.