Home / 11,811.43-17,723.33-7,650.37

Finding the Fourth Proportional to 11,811.43, 17,723.33 and 7,650.37

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Solution

The fourth proportional to 11,811.43, 17,723.33 and 7,650.37 is: 11,479.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,811.43 : 17,723.33 = 7,650.37 : x
  2. Step 2: Convert to fraction form
    11,811.43/17,723.33 = 7,650.37/x
  3. Step 3: Cross multiply
    11,811.43x = 17,723.33 × 7,650.37
  4. Step 4: Simplify right side
    11,811.43x = 135,590,032.13
  5. Step 5: Solve for x
    x = 135,590,032.13/11,811.43
  6. Step 6: Final answer
    x = 11,479.56

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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.