Home / 11,227.12-16,825.68-8,617.24

Finding the Fourth Proportional to 11,227.12, 16,825.68 and 8,617.24

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Solution

The fourth proportional to 11,227.12, 16,825.68 and 8,617.24 is: 12,914.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,227.12 : 16,825.68 = 8,617.24 : x
  2. Step 2: Convert to fraction form
    11,227.12/16,825.68 = 8,617.24/x
  3. Step 3: Cross multiply
    11,227.12x = 16,825.68 × 8,617.24
  4. Step 4: Simplify right side
    11,227.12x = 144,990,922.72
  5. Step 5: Solve for x
    x = 144,990,922.72/11,227.12
  6. Step 6: Final answer
    x = 12,914.35

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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.