Home / 11,274.54-16,908.10-3,878.84

Finding the Fourth Proportional to 11,274.54, 16,908.10 and 3,878.84

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Solution

The fourth proportional to 11,274.54, 16,908.10 and 3,878.84 is: 5,816.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,274.54 : 16,908.10 = 3,878.84 : x
  2. Step 2: Convert to fraction form
    11,274.54/16,908.10 = 3,878.84/x
  3. Step 3: Cross multiply
    11,274.54x = 16,908.10 × 3,878.84
  4. Step 4: Simplify right side
    11,274.54x = 65,583,720.37
  5. Step 5: Solve for x
    x = 65,583,720.37/11,274.54
  6. Step 6: Final answer
    x = 5,816.98

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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.