Home / 7,552.15-11,318.97-3,391.09

Finding the Fourth Proportional to 7,552.15, 11,318.97 and 3,391.09

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Solution

The fourth proportional to 7,552.15, 11,318.97 and 3,391.09 is: 5,082.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,552.15 : 11,318.97 = 3,391.09 : x
  2. Step 2: Convert to fraction form
    7,552.15/11,318.97 = 3,391.09/x
  3. Step 3: Cross multiply
    7,552.15x = 11,318.97 × 3,391.09
  4. Step 4: Simplify right side
    7,552.15x = 38,383,645.98
  5. Step 5: Solve for x
    x = 38,383,645.98/7,552.15
  6. Step 6: Final answer
    x = 5,082.48

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1.5x scale

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.