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Finding the Fourth Proportional to 8,596.87, 11,864.17 and 4,821.25

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Solution

The fourth proportional to 8,596.87, 11,864.17 and 4,821.25 is: 6,653.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,596.87 : 11,864.17 = 4,821.25 : x
  2. Step 2: Convert to fraction form
    8,596.87/11,864.17 = 4,821.25/x
  3. Step 3: Cross multiply
    8,596.87x = 11,864.17 × 4,821.25
  4. Step 4: Simplify right side
    8,596.87x = 57,200,094.86
  5. Step 5: Solve for x
    x = 57,200,094.86/8,596.87
  6. Step 6: Final answer
    x = 6,653.59

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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.