Home / 11,729.26-17,590.23-3,936.28

Finding the Fourth Proportional to 11,729.26, 17,590.23 and 3,936.28

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Solution

The fourth proportional to 11,729.26, 17,590.23 and 3,936.28 is: 5,903.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,729.26 : 17,590.23 = 3,936.28 : x
  2. Step 2: Convert to fraction form
    11,729.26/17,590.23 = 3,936.28/x
  3. Step 3: Cross multiply
    11,729.26x = 17,590.23 × 3,936.28
  4. Step 4: Simplify right side
    11,729.26x = 69,240,070.54
  5. Step 5: Solve for x
    x = 69,240,070.54/11,729.26
  6. Step 6: Final answer
    x = 5,903.19

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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.