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Finding the Fourth Proportional to 11,792.10, 16,254.20 and 8,950.20

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Solution

The fourth proportional to 11,792.10, 16,254.20 and 8,950.20 is: 12,336.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,792.10 : 16,254.20 = 8,950.20 : x
  2. Step 2: Convert to fraction form
    11,792.10/16,254.20 = 8,950.20/x
  3. Step 3: Cross multiply
    11,792.10x = 16,254.20 × 8,950.20
  4. Step 4: Simplify right side
    11,792.10x = 145,478,340.84
  5. Step 5: Solve for x
    x = 145,478,340.84/11,792.10
  6. Step 6: Final answer
    x = 12,336.93

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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.