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Finding the Fourth Proportional to 8,153.44, 12,203.40 and 6,194.88

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Solution

The fourth proportional to 8,153.44, 12,203.40 and 6,194.88 is: 9,271.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,153.44 : 12,203.40 = 6,194.88 : x
  2. Step 2: Convert to fraction form
    8,153.44/12,203.40 = 6,194.88/x
  3. Step 3: Cross multiply
    8,153.44x = 12,203.40 × 6,194.88
  4. Step 4: Simplify right side
    8,153.44x = 75,598,598.59
  5. Step 5: Solve for x
    x = 75,598,598.59/8,153.44
  6. Step 6: Final answer
    x = 9,271.99

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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.