Home / 10,282.75-15,422.40-3,357.25

Finding the Fourth Proportional to 10,282.75, 15,422.40 and 3,357.25

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Solution

The fourth proportional to 10,282.75, 15,422.40 and 3,357.25 is: 5,035.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,282.75 : 15,422.40 = 3,357.25 : x
  2. Step 2: Convert to fraction form
    10,282.75/15,422.40 = 3,357.25/x
  3. Step 3: Cross multiply
    10,282.75x = 15,422.40 × 3,357.25
  4. Step 4: Simplify right side
    10,282.75x = 51,776,813.84
  5. Step 5: Solve for x
    x = 51,776,813.84/10,282.75
  6. Step 6: Final answer
    x = 5,035.31

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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.