Home / 9,175.25-12,659.73-5,195.49

Finding the Fourth Proportional to 9,175.25, 12,659.73 and 5,195.49

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Solution

The fourth proportional to 9,175.25, 12,659.73 and 5,195.49 is: 7,168.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,175.25 : 12,659.73 = 5,195.49 : x
  2. Step 2: Convert to fraction form
    9,175.25/12,659.73 = 5,195.49/x
  3. Step 3: Cross multiply
    9,175.25x = 12,659.73 × 5,195.49
  4. Step 4: Simplify right side
    9,175.25x = 65,773,500.62
  5. Step 5: Solve for x
    x = 65,773,500.62/9,175.25
  6. Step 6: Final answer
    x = 7,168.58

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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.