Home / 11,227.15-16,840.68-2,906.46

Finding the Fourth Proportional to 11,227.15, 16,840.68 and 2,906.46

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Solution

The fourth proportional to 11,227.15, 16,840.68 and 2,906.46 is: 4,359.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,227.15 : 16,840.68 = 2,906.46 : x
  2. Step 2: Convert to fraction form
    11,227.15/16,840.68 = 2,906.46/x
  3. Step 3: Cross multiply
    11,227.15x = 16,840.68 × 2,906.46
  4. Step 4: Simplify right side
    11,227.15x = 48,946,751.89
  5. Step 5: Solve for x
    x = 48,946,751.89/11,227.15
  6. Step 6: Final answer
    x = 4,359.68

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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.