Home / 8,172.09-11,277.41-4,635.27

Finding the Fourth Proportional to 8,172.09, 11,277.41 and 4,635.27

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Solution

The fourth proportional to 8,172.09, 11,277.41 and 4,635.27 is: 6,396.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,172.09 : 11,277.41 = 4,635.27 : x
  2. Step 2: Convert to fraction form
    8,172.09/11,277.41 = 4,635.27/x
  3. Step 3: Cross multiply
    8,172.09x = 11,277.41 × 4,635.27
  4. Step 4: Simplify right side
    8,172.09x = 52,273,817.07
  5. Step 5: Solve for x
    x = 52,273,817.07/8,172.09
  6. Step 6: Final answer
    x = 6,396.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.