Home / 9,270.86-13,911.14-3,724.78

Finding the Fourth Proportional to 9,270.86, 13,911.14 and 3,724.78

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Solution

The fourth proportional to 9,270.86, 13,911.14 and 3,724.78 is: 5,589.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,270.86 : 13,911.14 = 3,724.78 : x
  2. Step 2: Convert to fraction form
    9,270.86/13,911.14 = 3,724.78/x
  3. Step 3: Cross multiply
    9,270.86x = 13,911.14 × 3,724.78
  4. Step 4: Simplify right side
    9,270.86x = 51,815,936.05
  5. Step 5: Solve for x
    x = 51,815,936.05/9,270.86
  6. Step 6: Final answer
    x = 5,589.12

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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.