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Finding the Fourth Proportional to 8,855.44, 12,199.72 and 6,162.02

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Solution

The fourth proportional to 8,855.44, 12,199.72 and 6,162.02 is: 8,489.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,855.44 : 12,199.72 = 6,162.02 : x
  2. Step 2: Convert to fraction form
    8,855.44/12,199.72 = 6,162.02/x
  3. Step 3: Cross multiply
    8,855.44x = 12,199.72 × 6,162.02
  4. Step 4: Simplify right side
    8,855.44x = 75,174,931.50
  5. Step 5: Solve for x
    x = 75,174,931.50/8,855.44
  6. Step 6: Final answer
    x = 8,489.13

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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.