Home / 10,424.14-15,628.38-3,399.96

Finding the Fourth Proportional to 10,424.14, 15,628.38 and 3,399.96

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Solution

The fourth proportional to 10,424.14, 15,628.38 and 3,399.96 is: 5,097.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,424.14 : 15,628.38 = 3,399.96 : x
  2. Step 2: Convert to fraction form
    10,424.14/15,628.38 = 3,399.96/x
  3. Step 3: Cross multiply
    10,424.14x = 15,628.38 × 3,399.96
  4. Step 4: Simplify right side
    10,424.14x = 53,135,866.86
  5. Step 5: Solve for x
    x = 53,135,866.86/10,424.14
  6. Step 6: Final answer
    x = 5,097.39

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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.