Home / 11,811.05-16,295.19-7,269.08

Finding the Fourth Proportional to 11,811.05, 16,295.19 and 7,269.08

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Solution

The fourth proportional to 11,811.05, 16,295.19 and 7,269.08 is: 10,028.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,811.05 : 16,295.19 = 7,269.08 : x
  2. Step 2: Convert to fraction form
    11,811.05/16,295.19 = 7,269.08/x
  3. Step 3: Cross multiply
    11,811.05x = 16,295.19 × 7,269.08
  4. Step 4: Simplify right side
    11,811.05x = 118,451,039.73
  5. Step 5: Solve for x
    x = 118,451,039.73/11,811.05
  6. Step 6: Final answer
    x = 10,028.83

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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.