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Finding the Fourth Proportional to 8,598.35, 12,839.30 and 6,823.43

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Solution

The fourth proportional to 8,598.35, 12,839.30 and 6,823.43 is: 10,188.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,598.35 : 12,839.30 = 6,823.43 : x
  2. Step 2: Convert to fraction form
    8,598.35/12,839.30 = 6,823.43/x
  3. Step 3: Cross multiply
    8,598.35x = 12,839.30 × 6,823.43
  4. Step 4: Simplify right side
    8,598.35x = 87,608,064.80
  5. Step 5: Solve for x
    x = 87,608,064.80/8,598.35
  6. Step 6: Final answer
    x = 10,188.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.