Home / 11,107.67-16,662.35-3,712.15

Finding the Fourth Proportional to 11,107.67, 16,662.35 and 3,712.15

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Solution

The fourth proportional to 11,107.67, 16,662.35 and 3,712.15 is: 5,568.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,107.67 : 16,662.35 = 3,712.15 : x
  2. Step 2: Convert to fraction form
    11,107.67/16,662.35 = 3,712.15/x
  3. Step 3: Cross multiply
    11,107.67x = 16,662.35 × 3,712.15
  4. Step 4: Simplify right side
    11,107.67x = 61,853,172.66
  5. Step 5: Solve for x
    x = 61,853,172.66/11,107.67
  6. Step 6: Final answer
    x = 5,568.51

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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.