Home / 10,363.22-15,531.83-8,163.26

Finding the Fourth Proportional to 10,363.22, 15,531.83 and 8,163.26

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Solution

The fourth proportional to 10,363.22, 15,531.83 and 8,163.26 is: 12,234.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,363.22 : 15,531.83 = 8,163.26 : x
  2. Step 2: Convert to fraction form
    10,363.22/15,531.83 = 8,163.26/x
  3. Step 3: Cross multiply
    10,363.22x = 15,531.83 × 8,163.26
  4. Step 4: Simplify right side
    10,363.22x = 126,790,325.75
  5. Step 5: Solve for x
    x = 126,790,325.75/10,363.22
  6. Step 6: Final answer
    x = 12,234.65

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1.5x scale

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.