Home / 11,516.31-17,272.74-3,195.45

Finding the Fourth Proportional to 11,516.31, 17,272.74 and 3,195.45

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Solution

The fourth proportional to 11,516.31, 17,272.74 and 3,195.45 is: 4,792.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,516.31 : 17,272.74 = 3,195.45 : x
  2. Step 2: Convert to fraction form
    11,516.31/17,272.74 = 3,195.45/x
  3. Step 3: Cross multiply
    11,516.31x = 17,272.74 × 3,195.45
  4. Step 4: Simplify right side
    11,516.31x = 55,194,177.03
  5. Step 5: Solve for x
    x = 55,194,177.03/11,516.31
  6. Step 6: Final answer
    x = 4,792.70

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1.5x scale

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.