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Finding the Fourth Proportional to 6,897.39, 10,339.92 and 5,736.91

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Solution

The fourth proportional to 6,897.39, 10,339.92 and 5,736.91 is: 8,600.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,897.39 : 10,339.92 = 5,736.91 : x
  2. Step 2: Convert to fraction form
    6,897.39/10,339.92 = 5,736.91/x
  3. Step 3: Cross multiply
    6,897.39x = 10,339.92 × 5,736.91
  4. Step 4: Simplify right side
    6,897.39x = 59,319,190.45
  5. Step 5: Solve for x
    x = 59,319,190.45/6,897.39
  6. Step 6: Final answer
    x = 8,600.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.