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Finding the Fourth Proportional to 8,357.54, 11,521.18 and 6,364.62

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Solution

The fourth proportional to 8,357.54, 11,521.18 and 6,364.62 is: 8,773.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,357.54 : 11,521.18 = 6,364.62 : x
  2. Step 2: Convert to fraction form
    8,357.54/11,521.18 = 6,364.62/x
  3. Step 3: Cross multiply
    8,357.54x = 11,521.18 × 6,364.62
  4. Step 4: Simplify right side
    8,357.54x = 73,327,932.65
  5. Step 5: Solve for x
    x = 73,327,932.65/8,357.54
  6. Step 6: Final answer
    x = 8,773.87

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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.