Home / 11,194.20-16,815.60-10,781.10

Finding the Fourth Proportional to 11,194.20, 16,815.60 and 10,781.10

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Solution

The fourth proportional to 11,194.20, 16,815.60 and 10,781.10 is: 16,195.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,194.20 : 16,815.60 = 10,781.10 : x
  2. Step 2: Convert to fraction form
    11,194.20/16,815.60 = 10,781.10/x
  3. Step 3: Cross multiply
    11,194.20x = 16,815.60 × 10,781.10
  4. Step 4: Simplify right side
    11,194.20x = 181,290,665.16
  5. Step 5: Solve for x
    x = 181,290,665.16/11,194.20
  6. Step 6: Final answer
    x = 16,195.05

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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.