Home / 11,226.35-16,843.49-4,985.80

Finding the Fourth Proportional to 11,226.35, 16,843.49 and 4,985.80

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Solution

The fourth proportional to 11,226.35, 16,843.49 and 4,985.80 is: 7,480.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,226.35 : 16,843.49 = 4,985.80 : x
  2. Step 2: Convert to fraction form
    11,226.35/16,843.49 = 4,985.80/x
  3. Step 3: Cross multiply
    11,226.35x = 16,843.49 × 4,985.80
  4. Step 4: Simplify right side
    11,226.35x = 83,978,346.89
  5. Step 5: Solve for x
    x = 83,978,346.89/11,226.35
  6. Step 6: Final answer
    x = 7,480.47

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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.