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Finding the Fourth Proportional to 12,238.61, 16,896.27 and 8,059.01

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Solution

The fourth proportional to 12,238.61, 16,896.27 and 8,059.01 is: 11,126.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,238.61 : 16,896.27 = 8,059.01 : x
  2. Step 2: Convert to fraction form
    12,238.61/16,896.27 = 8,059.01/x
  3. Step 3: Cross multiply
    12,238.61x = 16,896.27 × 8,059.01
  4. Step 4: Simplify right side
    12,238.61x = 136,167,124.41
  5. Step 5: Solve for x
    x = 136,167,124.41/12,238.61
  6. Step 6: Final answer
    x = 11,126.03

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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.