Home / 10,776.33-16,179.62-5,515.12

Finding the Fourth Proportional to 10,776.33, 16,179.62 and 5,515.12

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Solution

The fourth proportional to 10,776.33, 16,179.62 and 5,515.12 is: 8,280.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,776.33 : 16,179.62 = 5,515.12 : x
  2. Step 2: Convert to fraction form
    10,776.33/16,179.62 = 5,515.12/x
  3. Step 3: Cross multiply
    10,776.33x = 16,179.62 × 5,515.12
  4. Step 4: Simplify right side
    10,776.33x = 89,232,545.85
  5. Step 5: Solve for x
    x = 89,232,545.85/10,776.33
  6. Step 6: Final answer
    x = 8,280.42

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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.