Home / 8,170.14-12,255.21-2,326.75

Finding the Fourth Proportional to 8,170.14, 12,255.21 and 2,326.75

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Solution

The fourth proportional to 8,170.14, 12,255.21 and 2,326.75 is: 3,490.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,170.14 : 12,255.21 = 2,326.75 : x
  2. Step 2: Convert to fraction form
    8,170.14/12,255.21 = 2,326.75/x
  3. Step 3: Cross multiply
    8,170.14x = 12,255.21 × 2,326.75
  4. Step 4: Simplify right side
    8,170.14x = 28,514,809.87
  5. Step 5: Solve for x
    x = 28,514,809.87/8,170.14
  6. Step 6: Final answer
    x = 3,490.13

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Half scale
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Double scale
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Similar ratio
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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.