Home / 11,748.27-17,622.77-3,428.09

Finding the Fourth Proportional to 11,748.27, 17,622.77 and 3,428.09

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Solution

The fourth proportional to 11,748.27, 17,622.77 and 3,428.09 is: 5,142.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,748.27 : 17,622.77 = 3,428.09 : x
  2. Step 2: Convert to fraction form
    11,748.27/17,622.77 = 3,428.09/x
  3. Step 3: Cross multiply
    11,748.27x = 17,622.77 × 3,428.09
  4. Step 4: Simplify right side
    11,748.27x = 60,412,336.36
  5. Step 5: Solve for x
    x = 60,412,336.36/11,748.27
  6. Step 6: Final answer
    x = 5,142.23

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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.