Home / 11,663.16-17,475.26-8,194.20

Finding the Fourth Proportional to 11,663.16, 17,475.26 and 8,194.20

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Solution

The fourth proportional to 11,663.16, 17,475.26 and 8,194.20 is: 12,277.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,663.16 : 17,475.26 = 8,194.20 : x
  2. Step 2: Convert to fraction form
    11,663.16/17,475.26 = 8,194.20/x
  3. Step 3: Cross multiply
    11,663.16x = 17,475.26 × 8,194.20
  4. Step 4: Simplify right side
    11,663.16x = 143,195,775.49
  5. Step 5: Solve for x
    x = 143,195,775.49/11,663.16
  6. Step 6: Final answer
    x = 12,277.61

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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.