Home / 10,872.48-16,313.04-3,947.52

Finding the Fourth Proportional to 10,872.48, 16,313.04 and 3,947.52

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Solution

The fourth proportional to 10,872.48, 16,313.04 and 3,947.52 is: 5,922.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,872.48 : 16,313.04 = 3,947.52 : x
  2. Step 2: Convert to fraction form
    10,872.48/16,313.04 = 3,947.52/x
  3. Step 3: Cross multiply
    10,872.48x = 16,313.04 × 3,947.52
  4. Step 4: Simplify right side
    10,872.48x = 64,396,051.66
  5. Step 5: Solve for x
    x = 64,396,051.66/10,872.48
  6. Step 6: Final answer
    x = 5,922.85

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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.