Home / 11,173.70-16,762.80-3,276.20

Finding the Fourth Proportional to 11,173.70, 16,762.80 and 3,276.20

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Solution

The fourth proportional to 11,173.70, 16,762.80 and 3,276.20 is: 4,914.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,173.70 : 16,762.80 = 3,276.20 : x
  2. Step 2: Convert to fraction form
    11,173.70/16,762.80 = 3,276.20/x
  3. Step 3: Cross multiply
    11,173.70x = 16,762.80 × 3,276.20
  4. Step 4: Simplify right side
    11,173.70x = 54,918,285.36
  5. Step 5: Solve for x
    x = 54,918,285.36/11,173.70
  6. Step 6: Final answer
    x = 4,914.96

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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.