Home / 12,414.48-17,131.26-6,749.18

Finding the Fourth Proportional to 12,414.48, 17,131.26 and 6,749.18

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Solution

The fourth proportional to 12,414.48, 17,131.26 and 6,749.18 is: 9,313.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,414.48 : 17,131.26 = 6,749.18 : x
  2. Step 2: Convert to fraction form
    12,414.48/17,131.26 = 6,749.18/x
  3. Step 3: Cross multiply
    12,414.48x = 17,131.26 × 6,749.18
  4. Step 4: Simplify right side
    12,414.48x = 115,621,961.26
  5. Step 5: Solve for x
    x = 115,621,961.26/12,414.48
  6. Step 6: Final answer
    x = 9,313.48

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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.