Home / 11,180.45-16,771.08-3,389.06

Finding the Fourth Proportional to 11,180.45, 16,771.08 and 3,389.06

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Solution

The fourth proportional to 11,180.45, 16,771.08 and 3,389.06 is: 5,083.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,180.45 : 16,771.08 = 3,389.06 : x
  2. Step 2: Convert to fraction form
    11,180.45/16,771.08 = 3,389.06/x
  3. Step 3: Cross multiply
    11,180.45x = 16,771.08 × 3,389.06
  4. Step 4: Simplify right side
    11,180.45x = 56,838,112.53
  5. Step 5: Solve for x
    x = 56,838,112.53/11,180.45
  6. Step 6: Final answer
    x = 5,083.71

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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.