Home / 9,172.22-13,755.63-3,907.17

Finding the Fourth Proportional to 9,172.22, 13,755.63 and 3,907.17

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Solution

The fourth proportional to 9,172.22, 13,755.63 and 3,907.17 is: 5,859.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,172.22 : 13,755.63 = 3,907.17 : x
  2. Step 2: Convert to fraction form
    9,172.22/13,755.63 = 3,907.17/x
  3. Step 3: Cross multiply
    9,172.22x = 13,755.63 × 3,907.17
  4. Step 4: Simplify right side
    9,172.22x = 53,745,584.87
  5. Step 5: Solve for x
    x = 53,745,584.87/9,172.22
  6. Step 6: Final answer
    x = 5,859.61

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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.