Home / 11,512.15-17,269.20-3,192.17

Finding the Fourth Proportional to 11,512.15, 17,269.20 and 3,192.17

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Solution

The fourth proportional to 11,512.15, 17,269.20 and 3,192.17 is: 4,788.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,512.15 : 17,269.20 = 3,192.17 : x
  2. Step 2: Convert to fraction form
    11,512.15/17,269.20 = 3,192.17/x
  3. Step 3: Cross multiply
    11,512.15x = 17,269.20 × 3,192.17
  4. Step 4: Simplify right side
    11,512.15x = 55,126,135.82
  5. Step 5: Solve for x
    x = 55,126,135.82/11,512.15
  6. Step 6: Final answer
    x = 4,788.52

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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.