Home / 11,728.26-17,588.73-3,935.28

Finding the Fourth Proportional to 11,728.26, 17,588.73 and 3,935.28

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Solution

The fourth proportional to 11,728.26, 17,588.73 and 3,935.28 is: 5,901.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,728.26 : 17,588.73 = 3,935.28 : x
  2. Step 2: Convert to fraction form
    11,728.26/17,588.73 = 3,935.28/x
  3. Step 3: Cross multiply
    11,728.26x = 17,588.73 × 3,935.28
  4. Step 4: Simplify right side
    11,728.26x = 69,216,577.39
  5. Step 5: Solve for x
    x = 69,216,577.39/11,728.26
  6. Step 6: Final answer
    x = 5,901.69

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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.