Home / 7,634.76-11,449.71-2,439.42

Finding the Fourth Proportional to 7,634.76, 11,449.71 and 2,439.42

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Solution

The fourth proportional to 7,634.76, 11,449.71 and 2,439.42 is: 3,658.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,634.76 : 11,449.71 = 2,439.42 : x
  2. Step 2: Convert to fraction form
    7,634.76/11,449.71 = 2,439.42/x
  3. Step 3: Cross multiply
    7,634.76x = 11,449.71 × 2,439.42
  4. Step 4: Simplify right side
    7,634.76x = 27,930,651.57
  5. Step 5: Solve for x
    x = 27,930,651.57/7,634.76
  6. Step 6: Final answer
    x = 3,658.35

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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.