Home / 11,676.87-17,515.41-3,885.66

Finding the Fourth Proportional to 11,676.87, 17,515.41 and 3,885.66

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Solution

The fourth proportional to 11,676.87, 17,515.41 and 3,885.66 is: 5,828.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,676.87 : 17,515.41 = 3,885.66 : x
  2. Step 2: Convert to fraction form
    11,676.87/17,515.41 = 3,885.66/x
  3. Step 3: Cross multiply
    11,676.87x = 17,515.41 × 3,885.66
  4. Step 4: Simplify right side
    11,676.87x = 68,058,928.02
  5. Step 5: Solve for x
    x = 68,058,928.02/11,676.87
  6. Step 6: Final answer
    x = 5,828.52

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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.