Home / 10,816.76-16,221.18-5,268.44

Finding the Fourth Proportional to 10,816.76, 16,221.18 and 5,268.44

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Solution

The fourth proportional to 10,816.76, 16,221.18 and 5,268.44 is: 7,900.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,816.76 : 16,221.18 = 5,268.44 : x
  2. Step 2: Convert to fraction form
    10,816.76/16,221.18 = 5,268.44/x
  3. Step 3: Cross multiply
    10,816.76x = 16,221.18 × 5,268.44
  4. Step 4: Simplify right side
    10,816.76x = 85,460,313.56
  5. Step 5: Solve for x
    x = 85,460,313.56/10,816.76
  6. Step 6: Final answer
    x = 7,900.73

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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.