Home / 11,522.21-17,268.34-5,192.45

Finding the Fourth Proportional to 11,522.21, 17,268.34 and 5,192.45

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Solution

The fourth proportional to 11,522.21, 17,268.34 and 5,192.45 is: 7,781.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,522.21 : 17,268.34 = 5,192.45 : x
  2. Step 2: Convert to fraction form
    11,522.21/17,268.34 = 5,192.45/x
  3. Step 3: Cross multiply
    11,522.21x = 17,268.34 × 5,192.45
  4. Step 4: Simplify right side
    11,522.21x = 89,664,912.18
  5. Step 5: Solve for x
    x = 89,664,912.18/11,522.21
  6. Step 6: Final answer
    x = 7,781.92

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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.