Home / 11,035.20-16,552.80-3,639.90

Finding the Fourth Proportional to 11,035.20, 16,552.80 and 3,639.90

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Solution

The fourth proportional to 11,035.20, 16,552.80 and 3,639.90 is: 5,459.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,035.20 : 16,552.80 = 3,639.90 : x
  2. Step 2: Convert to fraction form
    11,035.20/16,552.80 = 3,639.90/x
  3. Step 3: Cross multiply
    11,035.20x = 16,552.80 × 3,639.90
  4. Step 4: Simplify right side
    11,035.20x = 60,250,536.72
  5. Step 5: Solve for x
    x = 60,250,536.72/11,035.20
  6. Step 6: Final answer
    x = 5,459.85

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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.