Home / 10,849.43-16,272.78-3,454.64

Finding the Fourth Proportional to 10,849.43, 16,272.78 and 3,454.64

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Solution

The fourth proportional to 10,849.43, 16,272.78 and 3,454.64 is: 5,181.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,849.43 : 16,272.78 = 3,454.64 : x
  2. Step 2: Convert to fraction form
    10,849.43/16,272.78 = 3,454.64/x
  3. Step 3: Cross multiply
    10,849.43x = 16,272.78 × 3,454.64
  4. Step 4: Simplify right side
    10,849.43x = 56,216,596.70
  5. Step 5: Solve for x
    x = 56,216,596.70/10,849.43
  6. Step 6: Final answer
    x = 5,181.53

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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.