Home / 11,221.50-16,834.68-4,296

Finding the Fourth Proportional to 11,221.50, 16,834.68 and 4,296

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Solution

The fourth proportional to 11,221.50, 16,834.68 and 4,296 is: 6,444.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,221.50 : 16,834.68 = 4,296 : x
  2. Step 2: Convert to fraction form
    11,221.50/16,834.68 = 4,296/x
  3. Step 3: Cross multiply
    11,221.50x = 16,834.68 × 4,296
  4. Step 4: Simplify right side
    11,221.50x = 72,321,785.28
  5. Step 5: Solve for x
    x = 72,321,785.28/11,221.50
  6. Step 6: Final answer
    x = 6,444.93

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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.