Home / 8,005.41-11,052.92-5,179.66

Finding the Fourth Proportional to 8,005.41, 11,052.92 and 5,179.66

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Solution

The fourth proportional to 8,005.41, 11,052.92 and 5,179.66 is: 7,151.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,005.41 : 11,052.92 = 5,179.66 : x
  2. Step 2: Convert to fraction form
    8,005.41/11,052.92 = 5,179.66/x
  3. Step 3: Cross multiply
    8,005.41x = 11,052.92 × 5,179.66
  4. Step 4: Simplify right side
    8,005.41x = 57,250,352.92
  5. Step 5: Solve for x
    x = 57,250,352.92/8,005.41
  6. Step 6: Final answer
    x = 7,151.46

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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.