Home / 11,213.24-16,811.19-7,268.43

Finding the Fourth Proportional to 11,213.24, 16,811.19 and 7,268.43

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Solution

The fourth proportional to 11,213.24, 16,811.19 and 7,268.43 is: 10,897.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,213.24 : 16,811.19 = 7,268.43 : x
  2. Step 2: Convert to fraction form
    11,213.24/16,811.19 = 7,268.43/x
  3. Step 3: Cross multiply
    11,213.24x = 16,811.19 × 7,268.43
  4. Step 4: Simplify right side
    11,213.24x = 122,190,957.73
  5. Step 5: Solve for x
    x = 122,190,957.73/11,213.24
  6. Step 6: Final answer
    x = 10,897.03

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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.