Home / 11,260.82-16,902.12-8,330.24

Finding the Fourth Proportional to 11,260.82, 16,902.12 and 8,330.24

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Solution

The fourth proportional to 11,260.82, 16,902.12 and 8,330.24 is: 12,503.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,260.82 : 16,902.12 = 8,330.24 : x
  2. Step 2: Convert to fraction form
    11,260.82/16,902.12 = 8,330.24/x
  3. Step 3: Cross multiply
    11,260.82x = 16,902.12 × 8,330.24
  4. Step 4: Simplify right side
    11,260.82x = 140,798,716.11
  5. Step 5: Solve for x
    x = 140,798,716.11/11,260.82
  6. Step 6: Final answer
    x = 12,503.42

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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.