Home / 11,884.36-17,830.22-4,491.12

Finding the Fourth Proportional to 11,884.36, 17,830.22 and 4,491.12

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Solution

The fourth proportional to 11,884.36, 17,830.22 and 4,491.12 is: 6,738.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,884.36 : 17,830.22 = 4,491.12 : x
  2. Step 2: Convert to fraction form
    11,884.36/17,830.22 = 4,491.12/x
  3. Step 3: Cross multiply
    11,884.36x = 17,830.22 × 4,491.12
  4. Step 4: Simplify right side
    11,884.36x = 80,077,657.65
  5. Step 5: Solve for x
    x = 80,077,657.65/11,884.36
  6. Step 6: Final answer
    x = 6,738.07

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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.