Home / 8,691.41-11,993.24-5,334.36

Finding the Fourth Proportional to 8,691.41, 11,993.24 and 5,334.36

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Solution

The fourth proportional to 8,691.41, 11,993.24 and 5,334.36 is: 7,360.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,691.41 : 11,993.24 = 5,334.36 : x
  2. Step 2: Convert to fraction form
    8,691.41/11,993.24 = 5,334.36/x
  3. Step 3: Cross multiply
    8,691.41x = 11,993.24 × 5,334.36
  4. Step 4: Simplify right side
    8,691.41x = 63,976,259.73
  5. Step 5: Solve for x
    x = 63,976,259.73/8,691.41
  6. Step 6: Final answer
    x = 7,360.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.