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Finding the Fourth Proportional to 9,238.22, 13,798.38 and 8,359.38

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Solution

The fourth proportional to 9,238.22, 13,798.38 and 8,359.38 is: 12,485.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,238.22 : 13,798.38 = 8,359.38 : x
  2. Step 2: Convert to fraction form
    9,238.22/13,798.38 = 8,359.38/x
  3. Step 3: Cross multiply
    9,238.22x = 13,798.38 × 8,359.38
  4. Step 4: Simplify right side
    9,238.22x = 115,345,901.80
  5. Step 5: Solve for x
    x = 115,345,901.80/9,238.22
  6. Step 6: Final answer
    x = 12,485.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.