Home / 11,993.09-17,988.23-3,227.31

Finding the Fourth Proportional to 11,993.09, 17,988.23 and 3,227.31

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Solution

The fourth proportional to 11,993.09, 17,988.23 and 3,227.31 is: 4,840.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,993.09 : 17,988.23 = 3,227.31 : x
  2. Step 2: Convert to fraction form
    11,993.09/17,988.23 = 3,227.31/x
  3. Step 3: Cross multiply
    11,993.09x = 17,988.23 × 3,227.31
  4. Step 4: Simplify right side
    11,993.09x = 58,053,578.42
  5. Step 5: Solve for x
    x = 58,053,578.42/11,993.09
  6. Step 6: Final answer
    x = 4,840.59

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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.