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Finding the Fourth Proportional to 8,339.25, 11,508.53 and 4,613.25

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Solution

The fourth proportional to 8,339.25, 11,508.53 and 4,613.25 is: 6,366.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,339.25 : 11,508.53 = 4,613.25 : x
  2. Step 2: Convert to fraction form
    8,339.25/11,508.53 = 4,613.25/x
  3. Step 3: Cross multiply
    8,339.25x = 11,508.53 × 4,613.25
  4. Step 4: Simplify right side
    8,339.25x = 53,091,702.96
  5. Step 5: Solve for x
    x = 53,091,702.96/8,339.25
  6. Step 6: Final answer
    x = 6,366.48

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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.