Home / 10,669.92-16,007.90-3,651.45

Finding the Fourth Proportional to 10,669.92, 16,007.90 and 3,651.45

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Solution

The fourth proportional to 10,669.92, 16,007.90 and 3,651.45 is: 5,478.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,669.92 : 16,007.90 = 3,651.45 : x
  2. Step 2: Convert to fraction form
    10,669.92/16,007.90 = 3,651.45/x
  3. Step 3: Cross multiply
    10,669.92x = 16,007.90 × 3,651.45
  4. Step 4: Simplify right side
    10,669.92x = 58,452,028.20
  5. Step 5: Solve for x
    x = 58,452,028.20/10,669.92
  6. Step 6: Final answer
    x = 5,478.21

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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.