Home / 11,120.12-16,684.02-4,198.52

Finding the Fourth Proportional to 11,120.12, 16,684.02 and 4,198.52

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Solution

The fourth proportional to 11,120.12, 16,684.02 and 4,198.52 is: 6,299.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,120.12 : 16,684.02 = 4,198.52 : x
  2. Step 2: Convert to fraction form
    11,120.12/16,684.02 = 4,198.52/x
  3. Step 3: Cross multiply
    11,120.12x = 16,684.02 × 4,198.52
  4. Step 4: Simplify right side
    11,120.12x = 70,048,191.65
  5. Step 5: Solve for x
    x = 70,048,191.65/11,120.12
  6. Step 6: Final answer
    x = 6,299.23

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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.