Home / 12,224.25-18,336.38-4,433.07

Finding the Fourth Proportional to 12,224.25, 18,336.38 and 4,433.07

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Solution

The fourth proportional to 12,224.25, 18,336.38 and 4,433.07 is: 6,649.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,224.25 : 18,336.38 = 4,433.07 : x
  2. Step 2: Convert to fraction form
    12,224.25/18,336.38 = 4,433.07/x
  3. Step 3: Cross multiply
    12,224.25x = 18,336.38 × 4,433.07
  4. Step 4: Simplify right side
    12,224.25x = 81,286,433.92
  5. Step 5: Solve for x
    x = 81,286,433.92/12,224.25
  6. Step 6: Final answer
    x = 6,649.61

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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.