Home / 10,772.68-16,160.46-3,378.28

Finding the Fourth Proportional to 10,772.68, 16,160.46 and 3,378.28

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Solution

The fourth proportional to 10,772.68, 16,160.46 and 3,378.28 is: 5,067.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,772.68 : 16,160.46 = 3,378.28 : x
  2. Step 2: Convert to fraction form
    10,772.68/16,160.46 = 3,378.28/x
  3. Step 3: Cross multiply
    10,772.68x = 16,160.46 × 3,378.28
  4. Step 4: Simplify right side
    10,772.68x = 54,594,558.81
  5. Step 5: Solve for x
    x = 54,594,558.81/10,772.68
  6. Step 6: Final answer
    x = 5,067.87

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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.