Home / 8,097.15-12,145.69-3,170.26

Finding the Fourth Proportional to 8,097.15, 12,145.69 and 3,170.26

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Solution

The fourth proportional to 8,097.15, 12,145.69 and 3,170.26 is: 4,755.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,097.15 : 12,145.69 = 3,170.26 : x
  2. Step 2: Convert to fraction form
    8,097.15/12,145.69 = 3,170.26/x
  3. Step 3: Cross multiply
    8,097.15x = 12,145.69 × 3,170.26
  4. Step 4: Simplify right side
    8,097.15x = 38,504,995.18
  5. Step 5: Solve for x
    x = 38,504,995.18/8,097.15
  6. Step 6: Final answer
    x = 4,755.38

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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.