Home / 11,226.78-16,839.50-3,328.97

Finding the Fourth Proportional to 11,226.78, 16,839.50 and 3,328.97

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Solution

The fourth proportional to 11,226.78, 16,839.50 and 3,328.97 is: 4,993.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,226.78 : 16,839.50 = 3,328.97 : x
  2. Step 2: Convert to fraction form
    11,226.78/16,839.50 = 3,328.97/x
  3. Step 3: Cross multiply
    11,226.78x = 16,839.50 × 3,328.97
  4. Step 4: Simplify right side
    11,226.78x = 56,058,089.47
  5. Step 5: Solve for x
    x = 56,058,089.47/11,226.78
  6. Step 6: Final answer
    x = 4,993.25

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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.