Home / 11,999.62-16,557.24-6,694.12

Finding the Fourth Proportional to 11,999.62, 16,557.24 and 6,694.12

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Solution

The fourth proportional to 11,999.62, 16,557.24 and 6,694.12 is: 9,236.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,999.62 : 16,557.24 = 6,694.12 : x
  2. Step 2: Convert to fraction form
    11,999.62/16,557.24 = 6,694.12/x
  3. Step 3: Cross multiply
    11,999.62x = 16,557.24 × 6,694.12
  4. Step 4: Simplify right side
    11,999.62x = 110,836,151.43
  5. Step 5: Solve for x
    x = 110,836,151.43/11,999.62
  6. Step 6: Final answer
    x = 9,236.64

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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.