Home / 10,968.56-16,455-3,177.44

Finding the Fourth Proportional to 10,968.56, 16,455 and 3,177.44

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Solution

The fourth proportional to 10,968.56, 16,455 and 3,177.44 is: 4,766.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,968.56 : 16,455 = 3,177.44 : x
  2. Step 2: Convert to fraction form
    10,968.56/16,455 = 3,177.44/x
  3. Step 3: Cross multiply
    10,968.56x = 16,455 × 3,177.44
  4. Step 4: Simplify right side
    10,968.56x = 52,284,775.20
  5. Step 5: Solve for x
    x = 52,284,775.20/10,968.56
  6. Step 6: Final answer
    x = 4,766.79

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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.