Home / 11,172.54-16,755.75-3,276.81

Finding the Fourth Proportional to 11,172.54, 16,755.75 and 3,276.81

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Solution

The fourth proportional to 11,172.54, 16,755.75 and 3,276.81 is: 4,914.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,172.54 : 16,755.75 = 3,276.81 : x
  2. Step 2: Convert to fraction form
    11,172.54/16,755.75 = 3,276.81/x
  3. Step 3: Cross multiply
    11,172.54x = 16,755.75 × 3,276.81
  4. Step 4: Simplify right side
    11,172.54x = 54,905,409.16
  5. Step 5: Solve for x
    x = 54,905,409.16/11,172.54
  6. Step 6: Final answer
    x = 4,914.32

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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.