Home / 11,661.81-16,093.24-6,356.61

Finding the Fourth Proportional to 11,661.81, 16,093.24 and 6,356.61

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Solution

The fourth proportional to 11,661.81, 16,093.24 and 6,356.61 is: 8,772.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,661.81 : 16,093.24 = 6,356.61 : x
  2. Step 2: Convert to fraction form
    11,661.81/16,093.24 = 6,356.61/x
  3. Step 3: Cross multiply
    11,661.81x = 16,093.24 × 6,356.61
  4. Step 4: Simplify right side
    11,661.81x = 102,298,450.32
  5. Step 5: Solve for x
    x = 102,298,450.32/11,661.81
  6. Step 6: Final answer
    x = 8,772.09

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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.