Home / 6,813.20-9,396.60-4,016

Finding the Fourth Proportional to 6,813.20, 9,396.60 and 4,016

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Solution

The fourth proportional to 6,813.20, 9,396.60 and 4,016 is: 5,538.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,813.20 : 9,396.60 = 4,016 : x
  2. Step 2: Convert to fraction form
    6,813.20/9,396.60 = 4,016/x
  3. Step 3: Cross multiply
    6,813.20x = 9,396.60 × 4,016
  4. Step 4: Simplify right side
    6,813.20x = 37,736,745.60
  5. Step 5: Solve for x
    x = 37,736,745.60/6,813.20
  6. Step 6: Final answer
    x = 5,538.77

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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.