Home / 12,236.37-16,885.77-7,199.48

Finding the Fourth Proportional to 12,236.37, 16,885.77 and 7,199.48

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Solution

The fourth proportional to 12,236.37, 16,885.77 and 7,199.48 is: 9,935.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,236.37 : 16,885.77 = 7,199.48 : x
  2. Step 2: Convert to fraction form
    12,236.37/16,885.77 = 7,199.48/x
  3. Step 3: Cross multiply
    12,236.37x = 16,885.77 × 7,199.48
  4. Step 4: Simplify right side
    12,236.37x = 121,568,778.62
  5. Step 5: Solve for x
    x = 121,568,778.62/12,236.37
  6. Step 6: Final answer
    x = 9,935.04

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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.