Home / 7,958.10-11,922.57-5,761.38

Finding the Fourth Proportional to 7,958.10, 11,922.57 and 5,761.38

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Solution

The fourth proportional to 7,958.10, 11,922.57 and 5,761.38 is: 8,631.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,958.10 : 11,922.57 = 5,761.38 : x
  2. Step 2: Convert to fraction form
    7,958.10/11,922.57 = 5,761.38/x
  3. Step 3: Cross multiply
    7,958.10x = 11,922.57 × 5,761.38
  4. Step 4: Simplify right side
    7,958.10x = 68,690,456.35
  5. Step 5: Solve for x
    x = 68,690,456.35/7,958.10
  6. Step 6: Final answer
    x = 8,631.51

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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.