Home / 10,976.12-16,464.19-5,136.83

Finding the Fourth Proportional to 10,976.12, 16,464.19 and 5,136.83

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Solution

The fourth proportional to 10,976.12, 16,464.19 and 5,136.83 is: 7,705.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,976.12 : 16,464.19 = 5,136.83 : x
  2. Step 2: Convert to fraction form
    10,976.12/16,464.19 = 5,136.83/x
  3. Step 3: Cross multiply
    10,976.12x = 16,464.19 × 5,136.83
  4. Step 4: Simplify right side
    10,976.12x = 84,573,745.12
  5. Step 5: Solve for x
    x = 84,573,745.12/10,976.12
  6. Step 6: Final answer
    x = 7,705.25

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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.