Home / 7,660.33-11,481.27-3,960.57

Finding the Fourth Proportional to 7,660.33, 11,481.27 and 3,960.57

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Solution

The fourth proportional to 7,660.33, 11,481.27 and 3,960.57 is: 5,936.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,660.33 : 11,481.27 = 3,960.57 : x
  2. Step 2: Convert to fraction form
    7,660.33/11,481.27 = 3,960.57/x
  3. Step 3: Cross multiply
    7,660.33x = 11,481.27 × 3,960.57
  4. Step 4: Simplify right side
    7,660.33x = 45,472,373.52
  5. Step 5: Solve for x
    x = 45,472,373.52/7,660.33
  6. Step 6: Final answer
    x = 5,936.09

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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.