Home / 10,998.57-15,179.25-6,282.85

Finding the Fourth Proportional to 10,998.57, 15,179.25 and 6,282.85

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Solution

The fourth proportional to 10,998.57, 15,179.25 and 6,282.85 is: 8,671.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,998.57 : 15,179.25 = 6,282.85 : x
  2. Step 2: Convert to fraction form
    10,998.57/15,179.25 = 6,282.85/x
  3. Step 3: Cross multiply
    10,998.57x = 15,179.25 × 6,282.85
  4. Step 4: Simplify right side
    10,998.57x = 95,368,919.45
  5. Step 5: Solve for x
    x = 95,368,919.45/10,998.57
  6. Step 6: Final answer
    x = 8,671.03

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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.