Home / 10,809.68-16,192.88-4,958.24

Finding the Fourth Proportional to 10,809.68, 16,192.88 and 4,958.24

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Solution

The fourth proportional to 10,809.68, 16,192.88 and 4,958.24 is: 7,427.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,809.68 : 16,192.88 = 4,958.24 : x
  2. Step 2: Convert to fraction form
    10,809.68/16,192.88 = 4,958.24/x
  3. Step 3: Cross multiply
    10,809.68x = 16,192.88 × 4,958.24
  4. Step 4: Simplify right side
    10,809.68x = 80,288,185.33
  5. Step 5: Solve for x
    x = 80,288,185.33/10,809.68
  6. Step 6: Final answer
    x = 7,427.43

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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.