Home / 11,488.98-17,231.85-3,696.78

Finding the Fourth Proportional to 11,488.98, 17,231.85 and 3,696.78

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Solution

The fourth proportional to 11,488.98, 17,231.85 and 3,696.78 is: 5,544.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,488.98 : 17,231.85 = 3,696.78 : x
  2. Step 2: Convert to fraction form
    11,488.98/17,231.85 = 3,696.78/x
  3. Step 3: Cross multiply
    11,488.98x = 17,231.85 × 3,696.78
  4. Step 4: Simplify right side
    11,488.98x = 63,702,358.44
  5. Step 5: Solve for x
    x = 63,702,358.44/11,488.98
  6. Step 6: Final answer
    x = 5,544.65

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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.