Home / 8,755.11-13,133.31-2,515.07

Finding the Fourth Proportional to 8,755.11, 13,133.31 and 2,515.07

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Solution

The fourth proportional to 8,755.11, 13,133.31 and 2,515.07 is: 3,772.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,755.11 : 13,133.31 = 2,515.07 : x
  2. Step 2: Convert to fraction form
    8,755.11/13,133.31 = 2,515.07/x
  3. Step 3: Cross multiply
    8,755.11x = 13,133.31 × 2,515.07
  4. Step 4: Simplify right side
    8,755.11x = 33,031,193.98
  5. Step 5: Solve for x
    x = 33,031,193.98/8,755.11
  6. Step 6: Final answer
    x = 3,772.79

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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.