Home / 10,786.49-16,179.74-6,166.25

Finding the Fourth Proportional to 10,786.49, 16,179.74 and 6,166.25

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Solution

The fourth proportional to 10,786.49, 16,179.74 and 6,166.25 is: 9,249.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,786.49 : 16,179.74 = 6,166.25 : x
  2. Step 2: Convert to fraction form
    10,786.49/16,179.74 = 6,166.25/x
  3. Step 3: Cross multiply
    10,786.49x = 16,179.74 × 6,166.25
  4. Step 4: Simplify right side
    10,786.49x = 99,768,321.78
  5. Step 5: Solve for x
    x = 99,768,321.78/10,786.49
  6. Step 6: Final answer
    x = 9,249.38

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Similar ratio
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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.