Home / 11,638.16-17,458.68-3,844.88

Finding the Fourth Proportional to 11,638.16, 17,458.68 and 3,844.88

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Solution

The fourth proportional to 11,638.16, 17,458.68 and 3,844.88 is: 5,767.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,638.16 : 17,458.68 = 3,844.88 : x
  2. Step 2: Convert to fraction form
    11,638.16/17,458.68 = 3,844.88/x
  3. Step 3: Cross multiply
    11,638.16x = 17,458.68 × 3,844.88
  4. Step 4: Simplify right side
    11,638.16x = 67,126,529.56
  5. Step 5: Solve for x
    x = 67,126,529.56/11,638.16
  6. Step 6: Final answer
    x = 5,767.80

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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.