Home / 10,811.88-16,222.06-4,236.94

Finding the Fourth Proportional to 10,811.88, 16,222.06 and 4,236.94

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Solution

The fourth proportional to 10,811.88, 16,222.06 and 4,236.94 is: 6,357.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,811.88 : 16,222.06 = 4,236.94 : x
  2. Step 2: Convert to fraction form
    10,811.88/16,222.06 = 4,236.94/x
  3. Step 3: Cross multiply
    10,811.88x = 16,222.06 × 4,236.94
  4. Step 4: Simplify right side
    10,811.88x = 68,731,894.90
  5. Step 5: Solve for x
    x = 68,731,894.90/10,811.88
  6. Step 6: Final answer
    x = 6,357.07

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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.