Home / 13,204.62-18,222.38-7,236.24

Finding the Fourth Proportional to 13,204.62, 18,222.38 and 7,236.24

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Solution

The fourth proportional to 13,204.62, 18,222.38 and 7,236.24 is: 9,986.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,204.62 : 18,222.38 = 7,236.24 : x
  2. Step 2: Convert to fraction form
    13,204.62/18,222.38 = 7,236.24/x
  3. Step 3: Cross multiply
    13,204.62x = 18,222.38 × 7,236.24
  4. Step 4: Simplify right side
    13,204.62x = 131,861,515.05
  5. Step 5: Solve for x
    x = 131,861,515.05/13,204.62
  6. Step 6: Final answer
    x = 9,986.01

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Half scale
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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.