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Finding the Fourth Proportional to 8,262.48, 12,394.86 and 4,367.16

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Solution

The fourth proportional to 8,262.48, 12,394.86 and 4,367.16 is: 6,551.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,262.48 : 12,394.86 = 4,367.16 : x
  2. Step 2: Convert to fraction form
    8,262.48/12,394.86 = 4,367.16/x
  3. Step 3: Cross multiply
    8,262.48x = 12,394.86 × 4,367.16
  4. Step 4: Simplify right side
    8,262.48x = 54,130,336.80
  5. Step 5: Solve for x
    x = 54,130,336.80/8,262.48
  6. Step 6: Final answer
    x = 6,551.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.