Home / 8,074.49-12,111.97-2,231.10

Finding the Fourth Proportional to 8,074.49, 12,111.97 and 2,231.10

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Solution

The fourth proportional to 8,074.49, 12,111.97 and 2,231.10 is: 3,346.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,074.49 : 12,111.97 = 2,231.10 : x
  2. Step 2: Convert to fraction form
    8,074.49/12,111.97 = 2,231.10/x
  3. Step 3: Cross multiply
    8,074.49x = 12,111.97 × 2,231.10
  4. Step 4: Simplify right side
    8,074.49x = 27,023,045.80
  5. Step 5: Solve for x
    x = 27,023,045.80/8,074.49
  6. Step 6: Final answer
    x = 3,346.72

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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.