Home / 11,232.40-16,842.62-3,439.12

Finding the Fourth Proportional to 11,232.40, 16,842.62 and 3,439.12

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Solution

The fourth proportional to 11,232.40, 16,842.62 and 3,439.12 is: 5,156.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,232.40 : 16,842.62 = 3,439.12 : x
  2. Step 2: Convert to fraction form
    11,232.40/16,842.62 = 3,439.12/x
  3. Step 3: Cross multiply
    11,232.40x = 16,842.62 × 3,439.12
  4. Step 4: Simplify right side
    11,232.40x = 57,923,791.29
  5. Step 5: Solve for x
    x = 57,923,791.29/11,232.40
  6. Step 6: Final answer
    x = 5,156.85

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1.5x scale

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.