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Finding the Fourth Proportional to 6,886.62, 9,498.24 and 4,644.96

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Solution

The fourth proportional to 6,886.62, 9,498.24 and 4,644.96 is: 6,406.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,886.62 : 9,498.24 = 4,644.96 : x
  2. Step 2: Convert to fraction form
    6,886.62/9,498.24 = 4,644.96/x
  3. Step 3: Cross multiply
    6,886.62x = 9,498.24 × 4,644.96
  4. Step 4: Simplify right side
    6,886.62x = 44,118,944.87
  5. Step 5: Solve for x
    x = 44,118,944.87/6,886.62
  6. Step 6: Final answer
    x = 6,406.47

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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.