Home / 10,948.55-16,425.25-3,156.75

Finding the Fourth Proportional to 10,948.55, 16,425.25 and 3,156.75

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Solution

The fourth proportional to 10,948.55, 16,425.25 and 3,156.75 is: 4,735.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,948.55 : 16,425.25 = 3,156.75 : x
  2. Step 2: Convert to fraction form
    10,948.55/16,425.25 = 3,156.75/x
  3. Step 3: Cross multiply
    10,948.55x = 16,425.25 × 3,156.75
  4. Step 4: Simplify right side
    10,948.55x = 51,850,400.05
  5. Step 5: Solve for x
    x = 51,850,400.05/10,948.55
  6. Step 6: Final answer
    x = 4,735.83

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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.