Home / 11,760.12-16,232.42-6,727.20

Finding the Fourth Proportional to 11,760.12, 16,232.42 and 6,727.20

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Solution

The fourth proportional to 11,760.12, 16,232.42 and 6,727.20 is: 9,285.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,760.12 : 16,232.42 = 6,727.20 : x
  2. Step 2: Convert to fraction form
    11,760.12/16,232.42 = 6,727.20/x
  3. Step 3: Cross multiply
    11,760.12x = 16,232.42 × 6,727.20
  4. Step 4: Simplify right side
    11,760.12x = 109,198,735.82
  5. Step 5: Solve for x
    x = 109,198,735.82/11,760.12
  6. Step 6: Final answer
    x = 9,285.51

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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.