Home / 11,120.32-16,680.49-4,546.50

Finding the Fourth Proportional to 11,120.32, 16,680.49 and 4,546.50

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Solution

The fourth proportional to 11,120.32, 16,680.49 and 4,546.50 is: 6,819.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,120.32 : 16,680.49 = 4,546.50 : x
  2. Step 2: Convert to fraction form
    11,120.32/16,680.49 = 4,546.50/x
  3. Step 3: Cross multiply
    11,120.32x = 16,680.49 × 4,546.50
  4. Step 4: Simplify right side
    11,120.32x = 75,837,845.90
  5. Step 5: Solve for x
    x = 75,837,845.90/11,120.32
  6. Step 6: Final answer
    x = 6,819.76

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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.