Home / 8,872.75-13,311.38-3,326.11

Finding the Fourth Proportional to 8,872.75, 13,311.38 and 3,326.11

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Solution

The fourth proportional to 8,872.75, 13,311.38 and 3,326.11 is: 4,990.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,872.75 : 13,311.38 = 3,326.11 : x
  2. Step 2: Convert to fraction form
    8,872.75/13,311.38 = 3,326.11/x
  3. Step 3: Cross multiply
    8,872.75x = 13,311.38 × 3,326.11
  4. Step 4: Simplify right side
    8,872.75x = 44,275,114.13
  5. Step 5: Solve for x
    x = 44,275,114.13/8,872.75
  6. Step 6: Final answer
    x = 4,990.01

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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.