Home / 11,805.24-16,286.10-6,768.31

Finding the Fourth Proportional to 11,805.24, 16,286.10 and 6,768.31

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Solution

The fourth proportional to 11,805.24, 16,286.10 and 6,768.31 is: 9,337.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,805.24 : 16,286.10 = 6,768.31 : x
  2. Step 2: Convert to fraction form
    11,805.24/16,286.10 = 6,768.31/x
  3. Step 3: Cross multiply
    11,805.24x = 16,286.10 × 6,768.31
  4. Step 4: Simplify right side
    11,805.24x = 110,229,366.48
  5. Step 5: Solve for x
    x = 110,229,366.48/11,805.24
  6. Step 6: Final answer
    x = 9,337.32

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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.