Home / 7,648.25-11,469.29-2,965.79

Finding the Fourth Proportional to 7,648.25, 11,469.29 and 2,965.79

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Solution

The fourth proportional to 7,648.25, 11,469.29 and 2,965.79 is: 4,447.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,648.25 : 11,469.29 = 2,965.79 : x
  2. Step 2: Convert to fraction form
    7,648.25/11,469.29 = 2,965.79/x
  3. Step 3: Cross multiply
    7,648.25x = 11,469.29 × 2,965.79
  4. Step 4: Simplify right side
    7,648.25x = 34,015,519.43
  5. Step 5: Solve for x
    x = 34,015,519.43/7,648.25
  6. Step 6: Final answer
    x = 4,447.49

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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.