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Finding the Fourth Proportional to 9,383.61, 12,951.18 and 6,702.11

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Solution

The fourth proportional to 9,383.61, 12,951.18 and 6,702.11 is: 9,250.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,383.61 : 12,951.18 = 6,702.11 : x
  2. Step 2: Convert to fraction form
    9,383.61/12,951.18 = 6,702.11/x
  3. Step 3: Cross multiply
    9,383.61x = 12,951.18 × 6,702.11
  4. Step 4: Simplify right side
    9,383.61x = 86,800,168.23
  5. Step 5: Solve for x
    x = 86,800,168.23/9,383.61
  6. Step 6: Final answer
    x = 9,250.19

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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.