Home / 8,117.33-12,177.79-2,495.03

Finding the Fourth Proportional to 8,117.33, 12,177.79 and 2,495.03

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Solution

The fourth proportional to 8,117.33, 12,177.79 and 2,495.03 is: 3,743.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,117.33 : 12,177.79 = 2,495.03 : x
  2. Step 2: Convert to fraction form
    8,117.33/12,177.79 = 2,495.03/x
  3. Step 3: Cross multiply
    8,117.33x = 12,177.79 × 2,495.03
  4. Step 4: Simplify right side
    8,117.33x = 30,383,951.38
  5. Step 5: Solve for x
    x = 30,383,951.38/8,117.33
  6. Step 6: Final answer
    x = 3,743.10

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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.