Home / 11,725.62-16,181.56-7,249.26

Finding the Fourth Proportional to 11,725.62, 16,181.56 and 7,249.26

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Solution

The fourth proportional to 11,725.62, 16,181.56 and 7,249.26 is: 10,004.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,725.62 : 16,181.56 = 7,249.26 : x
  2. Step 2: Convert to fraction form
    11,725.62/16,181.56 = 7,249.26/x
  3. Step 3: Cross multiply
    11,725.62x = 16,181.56 × 7,249.26
  4. Step 4: Simplify right side
    11,725.62x = 117,304,335.65
  5. Step 5: Solve for x
    x = 117,304,335.65/11,725.62
  6. Step 6: Final answer
    x = 10,004.11

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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.