Home / 11,162.50-16,743.75-2,954.50

Finding the Fourth Proportional to 11,162.50, 16,743.75 and 2,954.50

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Solution

The fourth proportional to 11,162.50, 16,743.75 and 2,954.50 is: 4,431.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,162.50 : 16,743.75 = 2,954.50 : x
  2. Step 2: Convert to fraction form
    11,162.50/16,743.75 = 2,954.50/x
  3. Step 3: Cross multiply
    11,162.50x = 16,743.75 × 2,954.50
  4. Step 4: Simplify right side
    11,162.50x = 49,469,409.38
  5. Step 5: Solve for x
    x = 49,469,409.38/11,162.50
  6. Step 6: Final answer
    x = 4,431.75

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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.