Home / 8,186.96-11,298.32-4,650.80

Finding the Fourth Proportional to 8,186.96, 11,298.32 and 4,650.80

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Solution

The fourth proportional to 8,186.96, 11,298.32 and 4,650.80 is: 6,418.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,186.96 : 11,298.32 = 4,650.80 : x
  2. Step 2: Convert to fraction form
    8,186.96/11,298.32 = 4,650.80/x
  3. Step 3: Cross multiply
    8,186.96x = 11,298.32 × 4,650.80
  4. Step 4: Simplify right side
    8,186.96x = 52,546,226.66
  5. Step 5: Solve for x
    x = 52,546,226.66/8,186.96
  6. Step 6: Final answer
    x = 6,418.28

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.