Home / 11,935.08-16,469.87-6,629.85

Finding the Fourth Proportional to 11,935.08, 16,469.87 and 6,629.85

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Solution

The fourth proportional to 11,935.08, 16,469.87 and 6,629.85 is: 9,148.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,935.08 : 16,469.87 = 6,629.85 : x
  2. Step 2: Convert to fraction form
    11,935.08/16,469.87 = 6,629.85/x
  3. Step 3: Cross multiply
    11,935.08x = 16,469.87 × 6,629.85
  4. Step 4: Simplify right side
    11,935.08x = 109,192,734.47
  5. Step 5: Solve for x
    x = 109,192,734.47/11,935.08
  6. Step 6: Final answer
    x = 9,148.89

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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.