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Finding the Fourth Proportional to 12,053.88, 16,631.46 and 6,747.84

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Solution

The fourth proportional to 12,053.88, 16,631.46 and 6,747.84 is: 9,310.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,053.88 : 16,631.46 = 6,747.84 : x
  2. Step 2: Convert to fraction form
    12,053.88/16,631.46 = 6,747.84/x
  3. Step 3: Cross multiply
    12,053.88x = 16,631.46 × 6,747.84
  4. Step 4: Simplify right side
    12,053.88x = 112,226,431.05
  5. Step 5: Solve for x
    x = 112,226,431.05/12,053.88
  6. Step 6: Final answer
    x = 9,310.40

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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.