Home / 11,186.63-16,743.44-8,224.29

Finding the Fourth Proportional to 11,186.63, 16,743.44 and 8,224.29

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Solution

The fourth proportional to 11,186.63, 16,743.44 and 8,224.29 is: 12,309.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,186.63 : 16,743.44 = 8,224.29 : x
  2. Step 2: Convert to fraction form
    11,186.63/16,743.44 = 8,224.29/x
  3. Step 3: Cross multiply
    11,186.63x = 16,743.44 × 8,224.29
  4. Step 4: Simplify right side
    11,186.63x = 137,702,906.16
  5. Step 5: Solve for x
    x = 137,702,906.16/11,186.63
  6. Step 6: Final answer
    x = 12,309.60

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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.