Home / 11,288.46-16,949.10-8,336.01

Finding the Fourth Proportional to 11,288.46, 16,949.10 and 8,336.01

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Solution

The fourth proportional to 11,288.46, 16,949.10 and 8,336.01 is: 12,516.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,288.46 : 16,949.10 = 8,336.01 : x
  2. Step 2: Convert to fraction form
    11,288.46/16,949.10 = 8,336.01/x
  3. Step 3: Cross multiply
    11,288.46x = 16,949.10 × 8,336.01
  4. Step 4: Simplify right side
    11,288.46x = 141,287,867.09
  5. Step 5: Solve for x
    x = 141,287,867.09/11,288.46
  6. Step 6: Final answer
    x = 12,516.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.