Home / 7,388.92-11,087.52-3,926.08

Finding the Fourth Proportional to 7,388.92, 11,087.52 and 3,926.08

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Solution

The fourth proportional to 7,388.92, 11,087.52 and 3,926.08 is: 5,891.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,388.92 : 11,087.52 = 3,926.08 : x
  2. Step 2: Convert to fraction form
    7,388.92/11,087.52 = 3,926.08/x
  3. Step 3: Cross multiply
    7,388.92x = 11,087.52 × 3,926.08
  4. Step 4: Simplify right side
    7,388.92x = 43,530,490.52
  5. Step 5: Solve for x
    x = 43,530,490.52/7,388.92
  6. Step 6: Final answer
    x = 5,891.32

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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.