Home / 12,093.70-16,687.20-6,788.74

Finding the Fourth Proportional to 12,093.70, 16,687.20 and 6,788.74

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Solution

The fourth proportional to 12,093.70, 16,687.20 and 6,788.74 is: 9,367.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,093.70 : 16,687.20 = 6,788.74 : x
  2. Step 2: Convert to fraction form
    12,093.70/16,687.20 = 6,788.74/x
  3. Step 3: Cross multiply
    12,093.70x = 16,687.20 × 6,788.74
  4. Step 4: Simplify right side
    12,093.70x = 113,285,062.13
  5. Step 5: Solve for x
    x = 113,285,062.13/12,093.70
  6. Step 6: Final answer
    x = 9,367.28

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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.