Home / 7,654.46-11,474.57-2,974.36

Finding the Fourth Proportional to 7,654.46, 11,474.57 and 2,974.36

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Solution

The fourth proportional to 7,654.46, 11,474.57 and 2,974.36 is: 4,458.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,654.46 : 11,474.57 = 2,974.36 : x
  2. Step 2: Convert to fraction form
    7,654.46/11,474.57 = 2,974.36/x
  3. Step 3: Cross multiply
    7,654.46x = 11,474.57 × 2,974.36
  4. Step 4: Simplify right side
    7,654.46x = 34,129,544.80
  5. Step 5: Solve for x
    x = 34,129,544.80/7,654.46
  6. Step 6: Final answer
    x = 4,458.78

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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.