Home / 11,627.12-17,440.74-2,861.97

Finding the Fourth Proportional to 11,627.12, 17,440.74 and 2,861.97

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Solution

The fourth proportional to 11,627.12, 17,440.74 and 2,861.97 is: 4,292.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,627.12 : 17,440.74 = 2,861.97 : x
  2. Step 2: Convert to fraction form
    11,627.12/17,440.74 = 2,861.97/x
  3. Step 3: Cross multiply
    11,627.12x = 17,440.74 × 2,861.97
  4. Step 4: Simplify right side
    11,627.12x = 49,914,874.66
  5. Step 5: Solve for x
    x = 49,914,874.66/11,627.12
  6. Step 6: Final answer
    x = 4,292.97

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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.