Home / 11,864.66-16,372.73-6,825.44

Finding the Fourth Proportional to 11,864.66, 16,372.73 and 6,825.44

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Solution

The fourth proportional to 11,864.66, 16,372.73 and 6,825.44 is: 9,418.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,864.66 : 16,372.73 = 6,825.44 : x
  2. Step 2: Convert to fraction form
    11,864.66/16,372.73 = 6,825.44/x
  3. Step 3: Cross multiply
    11,864.66x = 16,372.73 × 6,825.44
  4. Step 4: Simplify right side
    11,864.66x = 111,751,144.25
  5. Step 5: Solve for x
    x = 111,751,144.25/11,864.66
  6. Step 6: Final answer
    x = 9,418.83

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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.