Home / 9,731.54-13,429.62-5,540.06

Finding the Fourth Proportional to 9,731.54, 13,429.62 and 5,540.06

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Solution

The fourth proportional to 9,731.54, 13,429.62 and 5,540.06 is: 7,645.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,731.54 : 13,429.62 = 5,540.06 : x
  2. Step 2: Convert to fraction form
    9,731.54/13,429.62 = 5,540.06/x
  3. Step 3: Cross multiply
    9,731.54x = 13,429.62 × 5,540.06
  4. Step 4: Simplify right side
    9,731.54x = 74,400,833.43
  5. Step 5: Solve for x
    x = 74,400,833.43/9,731.54
  6. Step 6: Final answer
    x = 7,645.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.