Home / 10,568.74-15,842.31-6,878.38

Finding the Fourth Proportional to 10,568.74, 15,842.31 and 6,878.38

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Solution

The fourth proportional to 10,568.74, 15,842.31 and 6,878.38 is: 10,310.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,568.74 : 15,842.31 = 6,878.38 : x
  2. Step 2: Convert to fraction form
    10,568.74/15,842.31 = 6,878.38/x
  3. Step 3: Cross multiply
    10,568.74x = 15,842.31 × 6,878.38
  4. Step 4: Simplify right side
    10,568.74x = 108,969,428.26
  5. Step 5: Solve for x
    x = 108,969,428.26/10,568.74
  6. Step 6: Final answer
    x = 10,310.54

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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.