Home / 11,252.95-16,879.69-3,857.35

Finding the Fourth Proportional to 11,252.95, 16,879.69 and 3,857.35

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Solution

The fourth proportional to 11,252.95, 16,879.69 and 3,857.35 is: 5,786.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,252.95 : 16,879.69 = 3,857.35 : x
  2. Step 2: Convert to fraction form
    11,252.95/16,879.69 = 3,857.35/x
  3. Step 3: Cross multiply
    11,252.95x = 16,879.69 × 3,857.35
  4. Step 4: Simplify right side
    11,252.95x = 65,110,872.22
  5. Step 5: Solve for x
    x = 65,110,872.22/11,252.95
  6. Step 6: Final answer
    x = 5,786.12

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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.