Home / 11,257.18-16,884.60-3,359.78

Finding the Fourth Proportional to 11,257.18, 16,884.60 and 3,359.78

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Solution

The fourth proportional to 11,257.18, 16,884.60 and 3,359.78 is: 5,039.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,257.18 : 16,884.60 = 3,359.78 : x
  2. Step 2: Convert to fraction form
    11,257.18/16,884.60 = 3,359.78/x
  3. Step 3: Cross multiply
    11,257.18x = 16,884.60 × 3,359.78
  4. Step 4: Simplify right side
    11,257.18x = 56,728,541.39
  5. Step 5: Solve for x
    x = 56,728,541.39/11,257.18
  6. Step 6: Final answer
    x = 5,039.32

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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.