Home / 11,910.72-17,863.65-4,512.63

Finding the Fourth Proportional to 11,910.72, 17,863.65 and 4,512.63

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Solution

The fourth proportional to 11,910.72, 17,863.65 and 4,512.63 is: 6,768.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,910.72 : 17,863.65 = 4,512.63 : x
  2. Step 2: Convert to fraction form
    11,910.72/17,863.65 = 4,512.63/x
  3. Step 3: Cross multiply
    11,910.72x = 17,863.65 × 4,512.63
  4. Step 4: Simplify right side
    11,910.72x = 80,612,042.90
  5. Step 5: Solve for x
    x = 80,612,042.90/11,910.72
  6. Step 6: Final answer
    x = 6,768.02

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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.