Home / 9,494.52-13,100.22-8,172.60

Finding the Fourth Proportional to 9,494.52, 13,100.22 and 8,172.60

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Solution

The fourth proportional to 9,494.52, 13,100.22 and 8,172.60 is: 11,276.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,494.52 : 13,100.22 = 8,172.60 : x
  2. Step 2: Convert to fraction form
    9,494.52/13,100.22 = 8,172.60/x
  3. Step 3: Cross multiply
    9,494.52x = 13,100.22 × 8,172.60
  4. Step 4: Simplify right side
    9,494.52x = 107,062,857.97
  5. Step 5: Solve for x
    x = 107,062,857.97/9,494.52
  6. Step 6: Final answer
    x = 11,276.28

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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.