Home / 9,175.15-12,654.66-6,186.25

Finding the Fourth Proportional to 9,175.15, 12,654.66 and 6,186.25

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Solution

The fourth proportional to 9,175.15, 12,654.66 and 6,186.25 is: 8,532.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,175.15 : 12,654.66 = 6,186.25 : x
  2. Step 2: Convert to fraction form
    9,175.15/12,654.66 = 6,186.25/x
  3. Step 3: Cross multiply
    9,175.15x = 12,654.66 × 6,186.25
  4. Step 4: Simplify right side
    9,175.15x = 78,284,890.43
  5. Step 5: Solve for x
    x = 78,284,890.43/9,175.15
  6. Step 6: Final answer
    x = 8,532.27

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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.