Home / 7,949.80-11,924.75-2,754.46

Finding the Fourth Proportional to 7,949.80, 11,924.75 and 2,754.46

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Solution

The fourth proportional to 7,949.80, 11,924.75 and 2,754.46 is: 4,131.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,949.80 : 11,924.75 = 2,754.46 : x
  2. Step 2: Convert to fraction form
    7,949.80/11,924.75 = 2,754.46/x
  3. Step 3: Cross multiply
    7,949.80x = 11,924.75 × 2,754.46
  4. Step 4: Simplify right side
    7,949.80x = 32,846,268.68
  5. Step 5: Solve for x
    x = 32,846,268.68/7,949.80
  6. Step 6: Final answer
    x = 4,131.71

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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.