Home / 8,186.06-11,297.68-4,649.20

Finding the Fourth Proportional to 8,186.06, 11,297.68 and 4,649.20

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Solution

The fourth proportional to 8,186.06, 11,297.68 and 4,649.20 is: 6,416.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,186.06 : 11,297.68 = 4,649.20 : x
  2. Step 2: Convert to fraction form
    8,186.06/11,297.68 = 4,649.20/x
  3. Step 3: Cross multiply
    8,186.06x = 11,297.68 × 4,649.20
  4. Step 4: Simplify right side
    8,186.06x = 52,525,133.99
  5. Step 5: Solve for x
    x = 52,525,133.99/8,186.06
  6. Step 6: Final answer
    x = 6,416.41

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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.