Home / 8,571.15-12,853.97-2,726.39

Finding the Fourth Proportional to 8,571.15, 12,853.97 and 2,726.39

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Solution

The fourth proportional to 8,571.15, 12,853.97 and 2,726.39 is: 4,088.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,571.15 : 12,853.97 = 2,726.39 : x
  2. Step 2: Convert to fraction form
    8,571.15/12,853.97 = 2,726.39/x
  3. Step 3: Cross multiply
    8,571.15x = 12,853.97 × 2,726.39
  4. Step 4: Simplify right side
    8,571.15x = 35,044,921.64
  5. Step 5: Solve for x
    x = 35,044,921.64/8,571.15
  6. Step 6: Final answer
    x = 4,088.71

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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.