Home / 10,464.51-15,694.33-3,893.79

Finding the Fourth Proportional to 10,464.51, 15,694.33 and 3,893.79

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Solution

The fourth proportional to 10,464.51, 15,694.33 and 3,893.79 is: 5,839.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,464.51 : 15,694.33 = 3,893.79 : x
  2. Step 2: Convert to fraction form
    10,464.51/15,694.33 = 3,893.79/x
  3. Step 3: Cross multiply
    10,464.51x = 15,694.33 × 3,893.79
  4. Step 4: Simplify right side
    10,464.51x = 61,110,425.21
  5. Step 5: Solve for x
    x = 61,110,425.21/10,464.51
  6. Step 6: Final answer
    x = 5,839.78

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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.