Home / 12,399.22-17,110.46-6,733.86

Finding the Fourth Proportional to 12,399.22, 17,110.46 and 6,733.86

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Solution

The fourth proportional to 12,399.22, 17,110.46 and 6,733.86 is: 9,292.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,399.22 : 17,110.46 = 6,733.86 : x
  2. Step 2: Convert to fraction form
    12,399.22/17,110.46 = 6,733.86/x
  3. Step 3: Cross multiply
    12,399.22x = 17,110.46 × 6,733.86
  4. Step 4: Simplify right side
    12,399.22x = 115,219,394.85
  5. Step 5: Solve for x
    x = 115,219,394.85/12,399.22
  6. Step 6: Final answer
    x = 9,292.47

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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.