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Finding the Fourth Proportional to 11,841.12, 16,342.02 and 8,851.82

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Solution

The fourth proportional to 11,841.12, 16,342.02 and 8,851.82 is: 12,216.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,841.12 : 16,342.02 = 8,851.82 : x
  2. Step 2: Convert to fraction form
    11,841.12/16,342.02 = 8,851.82/x
  3. Step 3: Cross multiply
    11,841.12x = 16,342.02 × 8,851.82
  4. Step 4: Simplify right side
    11,841.12x = 144,656,537.77
  5. Step 5: Solve for x
    x = 144,656,537.77/11,841.12
  6. Step 6: Final answer
    x = 12,216.46

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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.