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Finding the Fourth Proportional to 7,208.38, 10,813.38 and 3,926.26

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Solution

The fourth proportional to 7,208.38, 10,813.38 and 3,926.26 is: 5,889.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,208.38 : 10,813.38 = 3,926.26 : x
  2. Step 2: Convert to fraction form
    7,208.38/10,813.38 = 3,926.26/x
  3. Step 3: Cross multiply
    7,208.38x = 10,813.38 × 3,926.26
  4. Step 4: Simplify right side
    7,208.38x = 42,456,141.36
  5. Step 5: Solve for x
    x = 42,456,141.36/7,208.38
  6. Step 6: Final answer
    x = 5,889.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.