Home / 11,977.38-16,528.96-6,873.73

Finding the Fourth Proportional to 11,977.38, 16,528.96 and 6,873.73

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Solution

The fourth proportional to 11,977.38, 16,528.96 and 6,873.73 is: 9,485.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,977.38 : 16,528.96 = 6,873.73 : x
  2. Step 2: Convert to fraction form
    11,977.38/16,528.96 = 6,873.73/x
  3. Step 3: Cross multiply
    11,977.38x = 16,528.96 × 6,873.73
  4. Step 4: Simplify right side
    11,977.38x = 113,615,608.22
  5. Step 5: Solve for x
    x = 113,615,608.22/11,977.38
  6. Step 6: Final answer
    x = 9,485.85

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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.