Home / 11,081.10-16,621.80-3,482.49

Finding the Fourth Proportional to 11,081.10, 16,621.80 and 3,482.49

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Solution

The fourth proportional to 11,081.10, 16,621.80 and 3,482.49 is: 5,223.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,081.10 : 16,621.80 = 3,482.49 : x
  2. Step 2: Convert to fraction form
    11,081.10/16,621.80 = 3,482.49/x
  3. Step 3: Cross multiply
    11,081.10x = 16,621.80 × 3,482.49
  4. Step 4: Simplify right side
    11,081.10x = 57,885,252.28
  5. Step 5: Solve for x
    x = 57,885,252.28/11,081.10
  6. Step 6: Final answer
    x = 5,223.78

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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.