Home / 11,120.43-15,351.78-8,596.83

Finding the Fourth Proportional to 11,120.43, 15,351.78 and 8,596.83

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Solution

The fourth proportional to 11,120.43, 15,351.78 and 8,596.83 is: 11,867.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,120.43 : 15,351.78 = 8,596.83 : x
  2. Step 2: Convert to fraction form
    11,120.43/15,351.78 = 8,596.83/x
  3. Step 3: Cross multiply
    11,120.43x = 15,351.78 × 8,596.83
  4. Step 4: Simplify right side
    11,120.43x = 131,976,642.86
  5. Step 5: Solve for x
    x = 131,976,642.86/11,120.43
  6. Step 6: Final answer
    x = 11,867.94

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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.