Home / 10,707.75-16,062.62-2,811.33

Finding the Fourth Proportional to 10,707.75, 16,062.62 and 2,811.33

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Solution

The fourth proportional to 10,707.75, 16,062.62 and 2,811.33 is: 4,217.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,707.75 : 16,062.62 = 2,811.33 : x
  2. Step 2: Convert to fraction form
    10,707.75/16,062.62 = 2,811.33/x
  3. Step 3: Cross multiply
    10,707.75x = 16,062.62 × 2,811.33
  4. Step 4: Simplify right side
    10,707.75x = 45,157,311.43
  5. Step 5: Solve for x
    x = 45,157,311.43/10,707.75
  6. Step 6: Final answer
    x = 4,217.25

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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.