Home / 12,408.84-17,124.26-6,883.43

Finding the Fourth Proportional to 12,408.84, 17,124.26 and 6,883.43

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Solution

The fourth proportional to 12,408.84, 17,124.26 and 6,883.43 is: 9,499.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,408.84 : 17,124.26 = 6,883.43 : x
  2. Step 2: Convert to fraction form
    12,408.84/17,124.26 = 6,883.43/x
  3. Step 3: Cross multiply
    12,408.84x = 17,124.26 × 6,883.43
  4. Step 4: Simplify right side
    12,408.84x = 117,873,524.97
  5. Step 5: Solve for x
    x = 117,873,524.97/12,408.84
  6. Step 6: Final answer
    x = 9,499.16

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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.