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Finding the Fourth Proportional to 8,323.63, 11,487.63 and 5,338.36

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Solution

The fourth proportional to 8,323.63, 11,487.63 and 5,338.36 is: 7,367.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,323.63 : 11,487.63 = 5,338.36 : x
  2. Step 2: Convert to fraction form
    8,323.63/11,487.63 = 5,338.36/x
  3. Step 3: Cross multiply
    8,323.63x = 11,487.63 × 5,338.36
  4. Step 4: Simplify right side
    8,323.63x = 61,325,104.49
  5. Step 5: Solve for x
    x = 61,325,104.49/8,323.63
  6. Step 6: Final answer
    x = 7,367.59

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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.