Home / 8,077.45-12,116.13-2,234.02

Finding the Fourth Proportional to 8,077.45, 12,116.13 and 2,234.02

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Solution

The fourth proportional to 8,077.45, 12,116.13 and 2,234.02 is: 3,351.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,077.45 : 12,116.13 = 2,234.02 : x
  2. Step 2: Convert to fraction form
    8,077.45/12,116.13 = 2,234.02/x
  3. Step 3: Cross multiply
    8,077.45x = 12,116.13 × 2,234.02
  4. Step 4: Simplify right side
    8,077.45x = 27,067,676.74
  5. Step 5: Solve for x
    x = 27,067,676.74/8,077.45
  6. Step 6: Final answer
    x = 3,351.02

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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.