Home / 8,175.89-12,236.04-6,861.11

Finding the Fourth Proportional to 8,175.89, 12,236.04 and 6,861.11

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Solution

The fourth proportional to 8,175.89, 12,236.04 and 6,861.11 is: 10,268.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,175.89 : 12,236.04 = 6,861.11 : x
  2. Step 2: Convert to fraction form
    8,175.89/12,236.04 = 6,861.11/x
  3. Step 3: Cross multiply
    8,175.89x = 12,236.04 × 6,861.11
  4. Step 4: Simplify right side
    8,175.89x = 83,952,755.22
  5. Step 5: Solve for x
    x = 83,952,755.22/8,175.89
  6. Step 6: Final answer
    x = 10,268.33

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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.