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Finding the Fourth Proportional to 7,994.72, 11,027.00 and 6,930.58

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Solution

The fourth proportional to 7,994.72, 11,027.00 and 6,930.58 is: 9,559.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,994.72 : 11,027.00 = 6,930.58 : x
  2. Step 2: Convert to fraction form
    7,994.72/11,027.00 = 6,930.58/x
  3. Step 3: Cross multiply
    7,994.72x = 11,027.00 × 6,930.58
  4. Step 4: Simplify right side
    7,994.72x = 76,423,516.09
  5. Step 5: Solve for x
    x = 76,423,516.09/7,994.72
  6. Step 6: Final answer
    x = 9,559.25

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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.