Home / 11,629.80-17,447.76-5,057.28

Finding the Fourth Proportional to 11,629.80, 17,447.76 and 5,057.28

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Solution

The fourth proportional to 11,629.80, 17,447.76 and 5,057.28 is: 7,587.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,629.80 : 17,447.76 = 5,057.28 : x
  2. Step 2: Convert to fraction form
    11,629.80/17,447.76 = 5,057.28/x
  3. Step 3: Cross multiply
    11,629.80x = 17,447.76 × 5,057.28
  4. Step 4: Simplify right side
    11,629.80x = 88,238,207.69
  5. Step 5: Solve for x
    x = 88,238,207.69/11,629.80
  6. Step 6: Final answer
    x = 7,587.25

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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.