Home / 12,414.18-17,131.86-6,749.25

Finding the Fourth Proportional to 12,414.18, 17,131.86 and 6,749.25

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Solution

The fourth proportional to 12,414.18, 17,131.86 and 6,749.25 is: 9,314.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,414.18 : 17,131.86 = 6,749.25 : x
  2. Step 2: Convert to fraction form
    12,414.18/17,131.86 = 6,749.25/x
  3. Step 3: Cross multiply
    12,414.18x = 17,131.86 × 6,749.25
  4. Step 4: Simplify right side
    12,414.18x = 115,627,206.11
  5. Step 5: Solve for x
    x = 115,627,206.11/12,414.18
  6. Step 6: Final answer
    x = 9,314.12

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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.