Home / 8,072.26-12,108.49-5,267.43

Finding the Fourth Proportional to 8,072.26, 12,108.49 and 5,267.43

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Solution

The fourth proportional to 8,072.26, 12,108.49 and 5,267.43 is: 7,901.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,072.26 : 12,108.49 = 5,267.43 : x
  2. Step 2: Convert to fraction form
    8,072.26/12,108.49 = 5,267.43/x
  3. Step 3: Cross multiply
    8,072.26x = 12,108.49 × 5,267.43
  4. Step 4: Simplify right side
    8,072.26x = 63,780,610.31
  5. Step 5: Solve for x
    x = 63,780,610.31/8,072.26
  6. Step 6: Final answer
    x = 7,901.21

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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.