Home / 11,236.16-16,862.96-4,222.56

Finding the Fourth Proportional to 11,236.16, 16,862.96 and 4,222.56

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Solution

The fourth proportional to 11,236.16, 16,862.96 and 4,222.56 is: 6,337.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,236.16 : 16,862.96 = 4,222.56 : x
  2. Step 2: Convert to fraction form
    11,236.16/16,862.96 = 4,222.56/x
  3. Step 3: Cross multiply
    11,236.16x = 16,862.96 × 4,222.56
  4. Step 4: Simplify right side
    11,236.16x = 71,204,815.56
  5. Step 5: Solve for x
    x = 71,204,815.56/11,236.16
  6. Step 6: Final answer
    x = 6,337.11

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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.