Home / 11,757.44-16,222.38-6,720.14

Finding the Fourth Proportional to 11,757.44, 16,222.38 and 6,720.14

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Solution

The fourth proportional to 11,757.44, 16,222.38 and 6,720.14 is: 9,272.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,757.44 : 16,222.38 = 6,720.14 : x
  2. Step 2: Convert to fraction form
    11,757.44/16,222.38 = 6,720.14/x
  3. Step 3: Cross multiply
    11,757.44x = 16,222.38 × 6,720.14
  4. Step 4: Simplify right side
    11,757.44x = 109,016,664.73
  5. Step 5: Solve for x
    x = 109,016,664.73/11,757.44
  6. Step 6: Final answer
    x = 9,272.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.