Home / 7,748.97-11,621.71-2,202.19

Finding the Fourth Proportional to 7,748.97, 11,621.71 and 2,202.19

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Solution

The fourth proportional to 7,748.97, 11,621.71 and 2,202.19 is: 3,302.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,748.97 : 11,621.71 = 2,202.19 : x
  2. Step 2: Convert to fraction form
    7,748.97/11,621.71 = 2,202.19/x
  3. Step 3: Cross multiply
    7,748.97x = 11,621.71 × 2,202.19
  4. Step 4: Simplify right side
    7,748.97x = 25,593,213.54
  5. Step 5: Solve for x
    x = 25,593,213.54/7,748.97
  6. Step 6: Final answer
    x = 3,302.79

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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.