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Finding the Fourth Proportional to 9,912.94, 14,872.14 and 8,059.45

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Solution

The fourth proportional to 9,912.94, 14,872.14 and 8,059.45 is: 12,091.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,912.94 : 14,872.14 = 8,059.45 : x
  2. Step 2: Convert to fraction form
    9,912.94/14,872.14 = 8,059.45/x
  3. Step 3: Cross multiply
    9,912.94x = 14,872.14 × 8,059.45
  4. Step 4: Simplify right side
    9,912.94x = 119,861,268.72
  5. Step 5: Solve for x
    x = 119,861,268.72/9,912.94
  6. Step 6: Final answer
    x = 12,091.39

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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.