Home / 11,942.06-16,478.90-6,905.88

Finding the Fourth Proportional to 11,942.06, 16,478.90 and 6,905.88

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Solution

The fourth proportional to 11,942.06, 16,478.90 and 6,905.88 is: 9,529.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,942.06 : 16,478.90 = 6,905.88 : x
  2. Step 2: Convert to fraction form
    11,942.06/16,478.90 = 6,905.88/x
  3. Step 3: Cross multiply
    11,942.06x = 16,478.90 × 6,905.88
  4. Step 4: Simplify right side
    11,942.06x = 113,801,305.93
  5. Step 5: Solve for x
    x = 113,801,305.93/11,942.06
  6. Step 6: Final answer
    x = 9,529.45

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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.