Home / 8,156.73-12,233.76-2,311.97

Finding the Fourth Proportional to 8,156.73, 12,233.76 and 2,311.97

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Solution

The fourth proportional to 8,156.73, 12,233.76 and 2,311.97 is: 3,467.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,156.73 : 12,233.76 = 2,311.97 : x
  2. Step 2: Convert to fraction form
    8,156.73/12,233.76 = 2,311.97/x
  3. Step 3: Cross multiply
    8,156.73x = 12,233.76 × 2,311.97
  4. Step 4: Simplify right side
    8,156.73x = 28,284,024.94
  5. Step 5: Solve for x
    x = 28,284,024.94/8,156.73
  6. Step 6: Final answer
    x = 3,467.57

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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.