Home / 10,696.64-16,043.33-4,121.87

Finding the Fourth Proportional to 10,696.64, 16,043.33 and 4,121.87

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Solution

The fourth proportional to 10,696.64, 16,043.33 and 4,121.87 is: 6,182.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,696.64 : 16,043.33 = 4,121.87 : x
  2. Step 2: Convert to fraction form
    10,696.64/16,043.33 = 4,121.87/x
  3. Step 3: Cross multiply
    10,696.64x = 16,043.33 × 4,121.87
  4. Step 4: Simplify right side
    10,696.64x = 66,128,450.72
  5. Step 5: Solve for x
    x = 66,128,450.72/10,696.64
  6. Step 6: Final answer
    x = 6,182.17

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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.