Home / 11,161.83-16,743.68-5,612.32

Finding the Fourth Proportional to 11,161.83, 16,743.68 and 5,612.32

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Solution

The fourth proportional to 11,161.83, 16,743.68 and 5,612.32 is: 8,418.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,161.83 : 16,743.68 = 5,612.32 : x
  2. Step 2: Convert to fraction form
    11,161.83/16,743.68 = 5,612.32/x
  3. Step 3: Cross multiply
    11,161.83x = 16,743.68 × 5,612.32
  4. Step 4: Simplify right side
    11,161.83x = 93,970,904.05
  5. Step 5: Solve for x
    x = 93,970,904.05/11,161.83
  6. Step 6: Final answer
    x = 8,418.95

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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.