Home / 7,676.11-11,515.25-3,517.17

Finding the Fourth Proportional to 7,676.11, 11,515.25 and 3,517.17

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Solution

The fourth proportional to 7,676.11, 11,515.25 and 3,517.17 is: 5,276.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,676.11 : 11,515.25 = 3,517.17 : x
  2. Step 2: Convert to fraction form
    7,676.11/11,515.25 = 3,517.17/x
  3. Step 3: Cross multiply
    7,676.11x = 11,515.25 × 3,517.17
  4. Step 4: Simplify right side
    7,676.11x = 40,501,091.84
  5. Step 5: Solve for x
    x = 40,501,091.84/7,676.11
  6. Step 6: Final answer
    x = 5,276.25

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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.