Home / 11,739.65-17,609.49-2,974.56

Finding the Fourth Proportional to 11,739.65, 17,609.49 and 2,974.56

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Solution

The fourth proportional to 11,739.65, 17,609.49 and 2,974.56 is: 4,461.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,739.65 : 17,609.49 = 2,974.56 : x
  2. Step 2: Convert to fraction form
    11,739.65/17,609.49 = 2,974.56/x
  3. Step 3: Cross multiply
    11,739.65x = 17,609.49 × 2,974.56
  4. Step 4: Simplify right side
    11,739.65x = 52,380,484.57
  5. Step 5: Solve for x
    x = 52,380,484.57/11,739.65
  6. Step 6: Final answer
    x = 4,461.85

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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.