Home / 10,805.45-16,181.07-6,844.70

Finding the Fourth Proportional to 10,805.45, 16,181.07 and 6,844.70

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Solution

The fourth proportional to 10,805.45, 16,181.07 and 6,844.70 is: 10,249.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,805.45 : 16,181.07 = 6,844.70 : x
  2. Step 2: Convert to fraction form
    10,805.45/16,181.07 = 6,844.70/x
  3. Step 3: Cross multiply
    10,805.45x = 16,181.07 × 6,844.70
  4. Step 4: Simplify right side
    10,805.45x = 110,754,584.61
  5. Step 5: Solve for x
    x = 110,754,584.61/10,805.45
  6. Step 6: Final answer
    x = 10,249.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.