Home / 11,828.92-17,743.39-4,812.75

Finding the Fourth Proportional to 11,828.92, 17,743.39 and 4,812.75

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Solution

The fourth proportional to 11,828.92, 17,743.39 and 4,812.75 is: 7,219.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,828.92 : 17,743.39 = 4,812.75 : x
  2. Step 2: Convert to fraction form
    11,828.92/17,743.39 = 4,812.75/x
  3. Step 3: Cross multiply
    11,828.92x = 17,743.39 × 4,812.75
  4. Step 4: Simplify right side
    11,828.92x = 85,394,500.22
  5. Step 5: Solve for x
    x = 85,394,500.22/11,828.92
  6. Step 6: Final answer
    x = 7,219.13

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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.