Home / 12,249.94-16,905.34-6,944.70

Finding the Fourth Proportional to 12,249.94, 16,905.34 and 6,944.70

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Solution

The fourth proportional to 12,249.94, 16,905.34 and 6,944.70 is: 9,583.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,249.94 : 16,905.34 = 6,944.70 : x
  2. Step 2: Convert to fraction form
    12,249.94/16,905.34 = 6,944.70/x
  3. Step 3: Cross multiply
    12,249.94x = 16,905.34 × 6,944.70
  4. Step 4: Simplify right side
    12,249.94x = 117,402,514.70
  5. Step 5: Solve for x
    x = 117,402,514.70/12,249.94
  6. Step 6: Final answer
    x = 9,583.93

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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.