Home / 11,072.79-16,606.74-3,278.97

Finding the Fourth Proportional to 11,072.79, 16,606.74 and 3,278.97

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Solution

The fourth proportional to 11,072.79, 16,606.74 and 3,278.97 is: 4,917.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,072.79 : 16,606.74 = 3,278.97 : x
  2. Step 2: Convert to fraction form
    11,072.79/16,606.74 = 3,278.97/x
  3. Step 3: Cross multiply
    11,072.79x = 16,606.74 × 3,278.97
  4. Step 4: Simplify right side
    11,072.79x = 54,453,002.26
  5. Step 5: Solve for x
    x = 54,453,002.26/11,072.79
  6. Step 6: Final answer
    x = 4,917.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.