Home / 11,152.38-16,728.56-3,361.20

Finding the Fourth Proportional to 11,152.38, 16,728.56 and 3,361.20

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Solution

The fourth proportional to 11,152.38, 16,728.56 and 3,361.20 is: 5,041.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,152.38 : 16,728.56 = 3,361.20 : x
  2. Step 2: Convert to fraction form
    11,152.38/16,728.56 = 3,361.20/x
  3. Step 3: Cross multiply
    11,152.38x = 16,728.56 × 3,361.20
  4. Step 4: Simplify right side
    11,152.38x = 56,227,968.94
  5. Step 5: Solve for x
    x = 56,227,968.94/11,152.38
  6. Step 6: Final answer
    x = 5,041.79

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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.