Home / 11,310.05-16,949.27-9,635.45

Finding the Fourth Proportional to 11,310.05, 16,949.27 and 9,635.45

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Solution

The fourth proportional to 11,310.05, 16,949.27 and 9,635.45 is: 14,439.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,310.05 : 16,949.27 = 9,635.45 : x
  2. Step 2: Convert to fraction form
    11,310.05/16,949.27 = 9,635.45/x
  3. Step 3: Cross multiply
    11,310.05x = 16,949.27 × 9,635.45
  4. Step 4: Simplify right side
    11,310.05x = 163,313,843.62
  5. Step 5: Solve for x
    x = 163,313,843.62/11,310.05
  6. Step 6: Final answer
    x = 14,439.71

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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.