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Finding the Fourth Proportional to 9,223.36, 12,724.24 and 6,238.16

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Solution

The fourth proportional to 9,223.36, 12,724.24 and 6,238.16 is: 8,605.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,223.36 : 12,724.24 = 6,238.16 : x
  2. Step 2: Convert to fraction form
    9,223.36/12,724.24 = 6,238.16/x
  3. Step 3: Cross multiply
    9,223.36x = 12,724.24 × 6,238.16
  4. Step 4: Simplify right side
    9,223.36x = 79,375,845.00
  5. Step 5: Solve for x
    x = 79,375,845.00/9,223.36
  6. Step 6: Final answer
    x = 8,605.96

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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.