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Finding the Fourth Proportional to 8,599.38, 11,866.38 and 4,821.93

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Solution

The fourth proportional to 8,599.38, 11,866.38 and 4,821.93 is: 6,653.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,599.38 : 11,866.38 = 4,821.93 : x
  2. Step 2: Convert to fraction form
    8,599.38/11,866.38 = 4,821.93/x
  3. Step 3: Cross multiply
    8,599.38x = 11,866.38 × 4,821.93
  4. Step 4: Simplify right side
    8,599.38x = 57,218,853.71
  5. Step 5: Solve for x
    x = 57,218,853.71/8,599.38
  6. Step 6: Final answer
    x = 6,653.83

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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.