Home / 11,120.28-15,351.56-8,596.68

Finding the Fourth Proportional to 11,120.28, 15,351.56 and 8,596.68

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Solution

The fourth proportional to 11,120.28, 15,351.56 and 8,596.68 is: 11,867.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,120.28 : 15,351.56 = 8,596.68 : x
  2. Step 2: Convert to fraction form
    11,120.28/15,351.56 = 8,596.68/x
  3. Step 3: Cross multiply
    11,120.28x = 15,351.56 × 8,596.68
  4. Step 4: Simplify right side
    11,120.28x = 131,972,405.84
  5. Step 5: Solve for x
    x = 131,972,405.84/11,120.28
  6. Step 6: Final answer
    x = 11,867.72

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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.