Home / 10,310.68-15,467.12-3,289.03

Finding the Fourth Proportional to 10,310.68, 15,467.12 and 3,289.03

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Solution

The fourth proportional to 10,310.68, 15,467.12 and 3,289.03 is: 4,933.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,310.68 : 15,467.12 = 3,289.03 : x
  2. Step 2: Convert to fraction form
    10,310.68/15,467.12 = 3,289.03/x
  3. Step 3: Cross multiply
    10,310.68x = 15,467.12 × 3,289.03
  4. Step 4: Simplify right side
    10,310.68x = 50,871,821.69
  5. Step 5: Solve for x
    x = 50,871,821.69/10,310.68
  6. Step 6: Final answer
    x = 4,933.90

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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.