Home / 10,806.75-16,212.86-3,015.56

Finding the Fourth Proportional to 10,806.75, 16,212.86 and 3,015.56

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Solution

The fourth proportional to 10,806.75, 16,212.86 and 3,015.56 is: 4,524.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,806.75 : 16,212.86 = 3,015.56 : x
  2. Step 2: Convert to fraction form
    10,806.75/16,212.86 = 3,015.56/x
  3. Step 3: Cross multiply
    10,806.75x = 16,212.86 × 3,015.56
  4. Step 4: Simplify right side
    10,806.75x = 48,890,888.86
  5. Step 5: Solve for x
    x = 48,890,888.86/10,806.75
  6. Step 6: Final answer
    x = 4,524.11

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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.