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Finding the Fourth Proportional to 9,297.90, 12,827.57 and 6,112.92

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Solution

The fourth proportional to 9,297.90, 12,827.57 and 6,112.92 is: 8,433.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,297.90 : 12,827.57 = 6,112.92 : x
  2. Step 2: Convert to fraction form
    9,297.90/12,827.57 = 6,112.92/x
  3. Step 3: Cross multiply
    9,297.90x = 12,827.57 × 6,112.92
  4. Step 4: Simplify right side
    9,297.90x = 78,413,878.64
  5. Step 5: Solve for x
    x = 78,413,878.64/9,297.90
  6. Step 6: Final answer
    x = 8,433.50

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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.