Home / 11,989.44-16,539.35-8,016.39

Finding the Fourth Proportional to 11,989.44, 16,539.35 and 8,016.39

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Solution

The fourth proportional to 11,989.44, 16,539.35 and 8,016.39 is: 11,058.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,989.44 : 16,539.35 = 8,016.39 : x
  2. Step 2: Convert to fraction form
    11,989.44/16,539.35 = 8,016.39/x
  3. Step 3: Cross multiply
    11,989.44x = 16,539.35 × 8,016.39
  4. Step 4: Simplify right side
    11,989.44x = 132,585,839.86
  5. Step 5: Solve for x
    x = 132,585,839.86/11,989.44
  6. Step 6: Final answer
    x = 11,058.55

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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.