Home / 11,944.38-16,478.58-6,907.68

Finding the Fourth Proportional to 11,944.38, 16,478.58 and 6,907.68

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Solution

The fourth proportional to 11,944.38, 16,478.58 and 6,907.68 is: 9,529.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,944.38 : 16,478.58 = 6,907.68 : x
  2. Step 2: Convert to fraction form
    11,944.38/16,478.58 = 6,907.68/x
  3. Step 3: Cross multiply
    11,944.38x = 16,478.58 × 6,907.68
  4. Step 4: Simplify right side
    11,944.38x = 113,828,757.49
  5. Step 5: Solve for x
    x = 113,828,757.49/11,944.38
  6. Step 6: Final answer
    x = 9,529.90

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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.