Home / 11,217.76-16,827.12-4,197.12

Finding the Fourth Proportional to 11,217.76, 16,827.12 and 4,197.12

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Solution

The fourth proportional to 11,217.76, 16,827.12 and 4,197.12 is: 6,295.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,217.76 : 16,827.12 = 4,197.12 : x
  2. Step 2: Convert to fraction form
    11,217.76/16,827.12 = 4,197.12/x
  3. Step 3: Cross multiply
    11,217.76x = 16,827.12 × 4,197.12
  4. Step 4: Simplify right side
    11,217.76x = 70,625,441.89
  5. Step 5: Solve for x
    x = 70,625,441.89/11,217.76
  6. Step 6: Final answer
    x = 6,295.86

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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.