Home / 11,836.78-16,336.87-7,057.04

Finding the Fourth Proportional to 11,836.78, 16,336.87 and 7,057.04

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Solution

The fourth proportional to 11,836.78, 16,336.87 and 7,057.04 is: 9,739.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,836.78 : 16,336.87 = 7,057.04 : x
  2. Step 2: Convert to fraction form
    11,836.78/16,336.87 = 7,057.04/x
  3. Step 3: Cross multiply
    11,836.78x = 16,336.87 × 7,057.04
  4. Step 4: Simplify right side
    11,836.78x = 115,289,845.74
  5. Step 5: Solve for x
    x = 115,289,845.74/11,836.78
  6. Step 6: Final answer
    x = 9,739.97

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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.