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Finding the Fourth Proportional to 11,344.96, 15,656.24 and 6,629.44

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Solution

The fourth proportional to 11,344.96, 15,656.24 and 6,629.44 is: 9,148.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,344.96 : 15,656.24 = 6,629.44 : x
  2. Step 2: Convert to fraction form
    11,344.96/15,656.24 = 6,629.44/x
  3. Step 3: Cross multiply
    11,344.96x = 15,656.24 × 6,629.44
  4. Step 4: Simplify right side
    11,344.96x = 103,792,103.71
  5. Step 5: Solve for x
    x = 103,792,103.71/11,344.96
  6. Step 6: Final answer
    x = 9,148.74

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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.