Home / 11,211.48-16,819.42-3,206.32

Finding the Fourth Proportional to 11,211.48, 16,819.42 and 3,206.32

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Solution

The fourth proportional to 11,211.48, 16,819.42 and 3,206.32 is: 4,810.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,211.48 : 16,819.42 = 3,206.32 : x
  2. Step 2: Convert to fraction form
    11,211.48/16,819.42 = 3,206.32/x
  3. Step 3: Cross multiply
    11,211.48x = 16,819.42 × 3,206.32
  4. Step 4: Simplify right side
    11,211.48x = 53,928,442.73
  5. Step 5: Solve for x
    x = 53,928,442.73/11,211.48
  6. Step 6: Final answer
    x = 4,810.11

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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.