Home / 8,900.88-13,351.31-3,706.75

Finding the Fourth Proportional to 8,900.88, 13,351.31 and 3,706.75

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Solution

The fourth proportional to 8,900.88, 13,351.31 and 3,706.75 is: 5,560.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,900.88 : 13,351.31 = 3,706.75 : x
  2. Step 2: Convert to fraction form
    8,900.88/13,351.31 = 3,706.75/x
  3. Step 3: Cross multiply
    8,900.88x = 13,351.31 × 3,706.75
  4. Step 4: Simplify right side
    8,900.88x = 49,489,968.34
  5. Step 5: Solve for x
    x = 49,489,968.34/8,900.88
  6. Step 6: Final answer
    x = 5,560.12

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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.