Home / 11,835.09-17,755.41-3,515.17

Finding the Fourth Proportional to 11,835.09, 17,755.41 and 3,515.17

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Solution

The fourth proportional to 11,835.09, 17,755.41 and 3,515.17 is: 5,273.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,835.09 : 17,755.41 = 3,515.17 : x
  2. Step 2: Convert to fraction form
    11,835.09/17,755.41 = 3,515.17/x
  3. Step 3: Cross multiply
    11,835.09x = 17,755.41 × 3,515.17
  4. Step 4: Simplify right side
    11,835.09x = 62,413,284.57
  5. Step 5: Solve for x
    x = 62,413,284.57/11,835.09
  6. Step 6: Final answer
    x = 5,273.58

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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.