Home / 11,993.86-16,540.26-9,481.95

Finding the Fourth Proportional to 11,993.86, 16,540.26 and 9,481.95

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Solution

The fourth proportional to 11,993.86, 16,540.26 and 9,481.95 is: 13,076.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,993.86 : 16,540.26 = 9,481.95 : x
  2. Step 2: Convert to fraction form
    11,993.86/16,540.26 = 9,481.95/x
  3. Step 3: Cross multiply
    11,993.86x = 16,540.26 × 9,481.95
  4. Step 4: Simplify right side
    11,993.86x = 156,833,918.31
  5. Step 5: Solve for x
    x = 156,833,918.31/11,993.86
  6. Step 6: Final answer
    x = 13,076.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.