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Finding the Fourth Proportional to 11,889.68, 16,406.44 and 6,583.17

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Solution

The fourth proportional to 11,889.68, 16,406.44 and 6,583.17 is: 9,084.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,889.68 : 16,406.44 = 6,583.17 : x
  2. Step 2: Convert to fraction form
    11,889.68/16,406.44 = 6,583.17/x
  3. Step 3: Cross multiply
    11,889.68x = 16,406.44 × 6,583.17
  4. Step 4: Simplify right side
    11,889.68x = 108,006,367.16
  5. Step 5: Solve for x
    x = 108,006,367.16/11,889.68
  6. Step 6: Final answer
    x = 9,084.04

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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.