Home / 11,629.43-17,448.80-4,234.40

Finding the Fourth Proportional to 11,629.43, 17,448.80 and 4,234.40

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Solution

The fourth proportional to 11,629.43, 17,448.80 and 4,234.40 is: 6,353.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,629.43 : 17,448.80 = 4,234.40 : x
  2. Step 2: Convert to fraction form
    11,629.43/17,448.80 = 4,234.40/x
  3. Step 3: Cross multiply
    11,629.43x = 17,448.80 × 4,234.40
  4. Step 4: Simplify right side
    11,629.43x = 73,885,198.72
  5. Step 5: Solve for x
    x = 73,885,198.72/11,629.43
  6. Step 6: Final answer
    x = 6,353.29

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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.