Home / 10,763.79-16,147.31-3,837.75

Finding the Fourth Proportional to 10,763.79, 16,147.31 and 3,837.75

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Solution

The fourth proportional to 10,763.79, 16,147.31 and 3,837.75 is: 5,757.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,763.79 : 16,147.31 = 3,837.75 : x
  2. Step 2: Convert to fraction form
    10,763.79/16,147.31 = 3,837.75/x
  3. Step 3: Cross multiply
    10,763.79x = 16,147.31 × 3,837.75
  4. Step 4: Simplify right side
    10,763.79x = 61,969,319.76
  5. Step 5: Solve for x
    x = 61,969,319.76/10,763.79
  6. Step 6: Final answer
    x = 5,757.20

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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.