Home / 8,112.49-12,167.35-2,267.73

Finding the Fourth Proportional to 8,112.49, 12,167.35 and 2,267.73

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Solution

The fourth proportional to 8,112.49, 12,167.35 and 2,267.73 is: 3,401.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,112.49 : 12,167.35 = 2,267.73 : x
  2. Step 2: Convert to fraction form
    8,112.49/12,167.35 = 2,267.73/x
  3. Step 3: Cross multiply
    8,112.49x = 12,167.35 × 2,267.73
  4. Step 4: Simplify right side
    8,112.49x = 27,592,258.95
  5. Step 5: Solve for x
    x = 27,592,258.95/8,112.49
  6. Step 6: Final answer
    x = 3,401.21

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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.