Home / 10,418.40-15,628.41-3,022.97

Finding the Fourth Proportional to 10,418.40, 15,628.41 and 3,022.97

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Solution

The fourth proportional to 10,418.40, 15,628.41 and 3,022.97 is: 4,534.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,418.40 : 15,628.41 = 3,022.97 : x
  2. Step 2: Convert to fraction form
    10,418.40/15,628.41 = 3,022.97/x
  3. Step 3: Cross multiply
    10,418.40x = 15,628.41 × 3,022.97
  4. Step 4: Simplify right side
    10,418.40x = 47,244,136.44
  5. Step 5: Solve for x
    x = 47,244,136.44/10,418.40
  6. Step 6: Final answer
    x = 4,534.68

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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.