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Finding the Fourth Proportional to 11,672.51, 16,107.43 and 6,636.03

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Solution

The fourth proportional to 11,672.51, 16,107.43 and 6,636.03 is: 9,157.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,672.51 : 16,107.43 = 6,636.03 : x
  2. Step 2: Convert to fraction form
    11,672.51/16,107.43 = 6,636.03/x
  3. Step 3: Cross multiply
    11,672.51x = 16,107.43 × 6,636.03
  4. Step 4: Simplify right side
    11,672.51x = 106,889,388.70
  5. Step 5: Solve for x
    x = 106,889,388.70/11,672.51
  6. Step 6: Final answer
    x = 9,157.36

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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.