Home / 11,135.02-16,704.77-3,639.09

Finding the Fourth Proportional to 11,135.02, 16,704.77 and 3,639.09

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Solution

The fourth proportional to 11,135.02, 16,704.77 and 3,639.09 is: 5,459.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,135.02 : 16,704.77 = 3,639.09 : x
  2. Step 2: Convert to fraction form
    11,135.02/16,704.77 = 3,639.09/x
  3. Step 3: Cross multiply
    11,135.02x = 16,704.77 × 3,639.09
  4. Step 4: Simplify right side
    11,135.02x = 60,790,161.46
  5. Step 5: Solve for x
    x = 60,790,161.46/11,135.02
  6. Step 6: Final answer
    x = 5,459.37

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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.