Home / 10,448.26-15,661.38-3,426.44

Finding the Fourth Proportional to 10,448.26, 15,661.38 and 3,426.44

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Solution

The fourth proportional to 10,448.26, 15,661.38 and 3,426.44 is: 5,136.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,448.26 : 15,661.38 = 3,426.44 : x
  2. Step 2: Convert to fraction form
    10,448.26/15,661.38 = 3,426.44/x
  3. Step 3: Cross multiply
    10,448.26x = 15,661.38 × 3,426.44
  4. Step 4: Simplify right side
    10,448.26x = 53,662,778.89
  5. Step 5: Solve for x
    x = 53,662,778.89/10,448.26
  6. Step 6: Final answer
    x = 5,136.05

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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.