Home / 11,115.70-16,677.60-4,546.60

Finding the Fourth Proportional to 11,115.70, 16,677.60 and 4,546.60

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Solution

The fourth proportional to 11,115.70, 16,677.60 and 4,546.60 is: 6,821.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,115.70 : 16,677.60 = 4,546.60 : x
  2. Step 2: Convert to fraction form
    11,115.70/16,677.60 = 4,546.60/x
  3. Step 3: Cross multiply
    11,115.70x = 16,677.60 × 4,546.60
  4. Step 4: Simplify right side
    11,115.70x = 75,826,376.16
  5. Step 5: Solve for x
    x = 75,826,376.16/11,115.70
  6. Step 6: Final answer
    x = 6,821.56

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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.