Home / 10,476.25-15,716.31-3,456.75

Finding the Fourth Proportional to 10,476.25, 15,716.31 and 3,456.75

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Solution

The fourth proportional to 10,476.25, 15,716.31 and 3,456.75 is: 5,185.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,476.25 : 15,716.31 = 3,456.75 : x
  2. Step 2: Convert to fraction form
    10,476.25/15,716.31 = 3,456.75/x
  3. Step 3: Cross multiply
    10,476.25x = 15,716.31 × 3,456.75
  4. Step 4: Simplify right side
    10,476.25x = 54,327,323.02
  5. Step 5: Solve for x
    x = 54,327,323.02/10,476.25
  6. Step 6: Final answer
    x = 5,185.76

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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.