Home / 12,414.22-17,131.95-6,749.35

Finding the Fourth Proportional to 12,414.22, 17,131.95 and 6,749.35

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Solution

The fourth proportional to 12,414.22, 17,131.95 and 6,749.35 is: 9,314.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,414.22 : 17,131.95 = 6,749.35 : x
  2. Step 2: Convert to fraction form
    12,414.22/17,131.95 = 6,749.35/x
  3. Step 3: Cross multiply
    12,414.22x = 17,131.95 × 6,749.35
  4. Step 4: Simplify right side
    12,414.22x = 115,629,526.73
  5. Step 5: Solve for x
    x = 115,629,526.73/12,414.22
  6. Step 6: Final answer
    x = 9,314.28

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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.