Home / 11,446.74-17,172.54-3,656.16

Finding the Fourth Proportional to 11,446.74, 17,172.54 and 3,656.16

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Solution

The fourth proportional to 11,446.74, 17,172.54 and 3,656.16 is: 5,485.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,446.74 : 17,172.54 = 3,656.16 : x
  2. Step 2: Convert to fraction form
    11,446.74/17,172.54 = 3,656.16/x
  3. Step 3: Cross multiply
    11,446.74x = 17,172.54 × 3,656.16
  4. Step 4: Simplify right side
    11,446.74x = 62,785,553.85
  5. Step 5: Solve for x
    x = 62,785,553.85/11,446.74
  6. Step 6: Final answer
    x = 5,485.02

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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.