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Finding the Fourth Proportional to 8,263.96, 12,367.11 and 6,765.88

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Solution

The fourth proportional to 8,263.96, 12,367.11 and 6,765.88 is: 10,125.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,263.96 : 12,367.11 = 6,765.88 : x
  2. Step 2: Convert to fraction form
    8,263.96/12,367.11 = 6,765.88/x
  3. Step 3: Cross multiply
    8,263.96x = 12,367.11 × 6,765.88
  4. Step 4: Simplify right side
    8,263.96x = 83,674,382.21
  5. Step 5: Solve for x
    x = 83,674,382.21/8,263.96
  6. Step 6: Final answer
    x = 10,125.22

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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.