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Finding the Fourth Proportional to 8,370.77, 12,556.16 and 6,523.27

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Solution

The fourth proportional to 8,370.77, 12,556.16 and 6,523.27 is: 9,784.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,370.77 : 12,556.16 = 6,523.27 : x
  2. Step 2: Convert to fraction form
    8,370.77/12,556.16 = 6,523.27/x
  3. Step 3: Cross multiply
    8,370.77x = 12,556.16 × 6,523.27
  4. Step 4: Simplify right side
    8,370.77x = 81,907,157.84
  5. Step 5: Solve for x
    x = 81,907,157.84/8,370.77
  6. Step 6: Final answer
    x = 9,784.90

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Similar ratio
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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.