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Finding the Fourth Proportional to 9,337.07, 12,867.44 and 6,679.86

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Solution

The fourth proportional to 9,337.07, 12,867.44 and 6,679.86 is: 9,205.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,337.07 : 12,867.44 = 6,679.86 : x
  2. Step 2: Convert to fraction form
    9,337.07/12,867.44 = 6,679.86/x
  3. Step 3: Cross multiply
    9,337.07x = 12,867.44 × 6,679.86
  4. Step 4: Simplify right side
    9,337.07x = 85,952,664.36
  5. Step 5: Solve for x
    x = 85,952,664.36/9,337.07
  6. Step 6: Final answer
    x = 9,205.53

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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.