Home / 11,221.52-16,834.68-5,602.20

Finding the Fourth Proportional to 11,221.52, 16,834.68 and 5,602.20

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Solution

The fourth proportional to 11,221.52, 16,834.68 and 5,602.20 is: 8,404.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,221.52 : 16,834.68 = 5,602.20 : x
  2. Step 2: Convert to fraction form
    11,221.52/16,834.68 = 5,602.20/x
  3. Step 3: Cross multiply
    11,221.52x = 16,834.68 × 5,602.20
  4. Step 4: Simplify right side
    11,221.52x = 94,311,244.30
  5. Step 5: Solve for x
    x = 94,311,244.30/11,221.52
  6. Step 6: Final answer
    x = 8,404.50

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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.