Home / 7,365.28-11,050.62-3,418.42

Finding the Fourth Proportional to 7,365.28, 11,050.62 and 3,418.42

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Solution

The fourth proportional to 7,365.28, 11,050.62 and 3,418.42 is: 5,128.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,365.28 : 11,050.62 = 3,418.42 : x
  2. Step 2: Convert to fraction form
    7,365.28/11,050.62 = 3,418.42/x
  3. Step 3: Cross multiply
    7,365.28x = 11,050.62 × 3,418.42
  4. Step 4: Simplify right side
    7,365.28x = 37,775,660.42
  5. Step 5: Solve for x
    x = 37,775,660.42/7,365.28
  6. Step 6: Final answer
    x = 5,128.88

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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.