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Finding the Fourth Proportional to 8,847.34, 12,210.51 and 8,099.95

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Solution

The fourth proportional to 8,847.34, 12,210.51 and 8,099.95 is: 11,179.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,847.34 : 12,210.51 = 8,099.95 : x
  2. Step 2: Convert to fraction form
    8,847.34/12,210.51 = 8,099.95/x
  3. Step 3: Cross multiply
    8,847.34x = 12,210.51 × 8,099.95
  4. Step 4: Simplify right side
    8,847.34x = 98,904,520.47
  5. Step 5: Solve for x
    x = 98,904,520.47/8,847.34
  6. Step 6: Final answer
    x = 11,179.01

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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.