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Finding the Fourth Proportional to 8,474.32, 11,696.04 and 5,332.24

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Solution

The fourth proportional to 8,474.32, 11,696.04 and 5,332.24 is: 7,359.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,474.32 : 11,696.04 = 5,332.24 : x
  2. Step 2: Convert to fraction form
    8,474.32/11,696.04 = 5,332.24/x
  3. Step 3: Cross multiply
    8,474.32x = 11,696.04 × 5,332.24
  4. Step 4: Simplify right side
    8,474.32x = 62,366,092.33
  5. Step 5: Solve for x
    x = 62,366,092.33/8,474.32
  6. Step 6: Final answer
    x = 7,359.42

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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.