Home / 12,371.42-17,067.57-8,597.63

Finding the Fourth Proportional to 12,371.42, 17,067.57 and 8,597.63

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Solution

The fourth proportional to 12,371.42, 17,067.57 and 8,597.63 is: 11,861.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,371.42 : 17,067.57 = 8,597.63 : x
  2. Step 2: Convert to fraction form
    12,371.42/17,067.57 = 8,597.63/x
  3. Step 3: Cross multiply
    12,371.42x = 17,067.57 × 8,597.63
  4. Step 4: Simplify right side
    12,371.42x = 146,740,651.86
  5. Step 5: Solve for x
    x = 146,740,651.86/12,371.42
  6. Step 6: Final answer
    x = 11,861.26

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Double scale
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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.