Home / 11,221.88-16,835.24-4,296.38

Finding the Fourth Proportional to 11,221.88, 16,835.24 and 4,296.38

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Solution

The fourth proportional to 11,221.88, 16,835.24 and 4,296.38 is: 6,445.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,221.88 : 16,835.24 = 4,296.38 : x
  2. Step 2: Convert to fraction form
    11,221.88/16,835.24 = 4,296.38/x
  3. Step 3: Cross multiply
    11,221.88x = 16,835.24 × 4,296.38
  4. Step 4: Simplify right side
    11,221.88x = 72,330,515.00
  5. Step 5: Solve for x
    x = 72,330,515.00/11,221.88
  6. Step 6: Final answer
    x = 6,445.49

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1.5x scale

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.