Home / 8,017.70-11,067.52-7,176.92

Finding the Fourth Proportional to 8,017.70, 11,067.52 and 7,176.92

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Solution

The fourth proportional to 8,017.70, 11,067.52 and 7,176.92 is: 9,906.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,017.70 : 11,067.52 = 7,176.92 : x
  2. Step 2: Convert to fraction form
    8,017.70/11,067.52 = 7,176.92/x
  3. Step 3: Cross multiply
    8,017.70x = 11,067.52 × 7,176.92
  4. Step 4: Simplify right side
    8,017.70x = 79,430,705.64
  5. Step 5: Solve for x
    x = 79,430,705.64/8,017.70
  6. Step 6: Final answer
    x = 9,906.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.