Home / 8,231.77-12,338.88-3,294.55

Finding the Fourth Proportional to 8,231.77, 12,338.88 and 3,294.55

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Solution

The fourth proportional to 8,231.77, 12,338.88 and 3,294.55 is: 4,938.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,231.77 : 12,338.88 = 3,294.55 : x
  2. Step 2: Convert to fraction form
    8,231.77/12,338.88 = 3,294.55/x
  3. Step 3: Cross multiply
    8,231.77x = 12,338.88 × 3,294.55
  4. Step 4: Simplify right side
    8,231.77x = 40,651,057.10
  5. Step 5: Solve for x
    x = 40,651,057.10/8,231.77
  6. Step 6: Final answer
    x = 4,938.31

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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.