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Finding the Fourth Proportional to 11,969.66, 17,937.47 and 8,824.94

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Solution

The fourth proportional to 11,969.66, 17,937.47 and 8,824.94 is: 13,224.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,969.66 : 17,937.47 = 8,824.94 : x
  2. Step 2: Convert to fraction form
    11,969.66/17,937.47 = 8,824.94/x
  3. Step 3: Cross multiply
    11,969.66x = 17,937.47 × 8,824.94
  4. Step 4: Simplify right side
    11,969.66x = 158,296,962.69
  5. Step 5: Solve for x
    x = 158,296,962.69/11,969.66
  6. Step 6: Final answer
    x = 13,224.86

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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.