Home / 10,828.70-16,236.36-4,251.90

Finding the Fourth Proportional to 10,828.70, 16,236.36 and 4,251.90

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Solution

The fourth proportional to 10,828.70, 16,236.36 and 4,251.90 is: 6,375.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,828.70 : 16,236.36 = 4,251.90 : x
  2. Step 2: Convert to fraction form
    10,828.70/16,236.36 = 4,251.90/x
  3. Step 3: Cross multiply
    10,828.70x = 16,236.36 × 4,251.90
  4. Step 4: Simplify right side
    10,828.70x = 69,035,379.08
  5. Step 5: Solve for x
    x = 69,035,379.08/10,828.70
  6. Step 6: Final answer
    x = 6,375.23

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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.