Home / 7,836.48-11,748.68-2,568.31

Finding the Fourth Proportional to 7,836.48, 11,748.68 and 2,568.31

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Solution

The fourth proportional to 7,836.48, 11,748.68 and 2,568.31 is: 3,850.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,836.48 : 11,748.68 = 2,568.31 : x
  2. Step 2: Convert to fraction form
    7,836.48/11,748.68 = 2,568.31/x
  3. Step 3: Cross multiply
    7,836.48x = 11,748.68 × 2,568.31
  4. Step 4: Simplify right side
    7,836.48x = 30,174,219.75
  5. Step 5: Solve for x
    x = 30,174,219.75/7,836.48
  6. Step 6: Final answer
    x = 3,850.48

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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.