Home / 10,608.77-15,912.75-3,589.31

Finding the Fourth Proportional to 10,608.77, 15,912.75 and 3,589.31

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Solution

The fourth proportional to 10,608.77, 15,912.75 and 3,589.31 is: 5,383.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,608.77 : 15,912.75 = 3,589.31 : x
  2. Step 2: Convert to fraction form
    10,608.77/15,912.75 = 3,589.31/x
  3. Step 3: Cross multiply
    10,608.77x = 15,912.75 × 3,589.31
  4. Step 4: Simplify right side
    10,608.77x = 57,115,845.94
  5. Step 5: Solve for x
    x = 57,115,845.94/10,608.77
  6. Step 6: Final answer
    x = 5,383.83

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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.