Home / 11,615.70-17,424.21-3,295.06

Finding the Fourth Proportional to 11,615.70, 17,424.21 and 3,295.06

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Solution

The fourth proportional to 11,615.70, 17,424.21 and 3,295.06 is: 4,942.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,615.70 : 17,424.21 = 3,295.06 : x
  2. Step 2: Convert to fraction form
    11,615.70/17,424.21 = 3,295.06/x
  3. Step 3: Cross multiply
    11,615.70x = 17,424.21 × 3,295.06
  4. Step 4: Simplify right side
    11,615.70x = 57,413,884.21
  5. Step 5: Solve for x
    x = 57,413,884.21/11,615.70
  6. Step 6: Final answer
    x = 4,942.78

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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.