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Finding the Fourth Proportional to 8,186.63, 11,297.63 and 4,460.63

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Solution

The fourth proportional to 8,186.63, 11,297.63 and 4,460.63 is: 6,155.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,186.63 : 11,297.63 = 4,460.63 : x
  2. Step 2: Convert to fraction form
    8,186.63/11,297.63 = 4,460.63/x
  3. Step 3: Cross multiply
    8,186.63x = 11,297.63 × 4,460.63
  4. Step 4: Simplify right side
    8,186.63x = 50,394,501.97
  5. Step 5: Solve for x
    x = 50,394,501.97/8,186.63
  6. Step 6: Final answer
    x = 6,155.71

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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.