Home / 11,130.43-16,696.20-3,338.50

Finding the Fourth Proportional to 11,130.43, 16,696.20 and 3,338.50

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Solution

The fourth proportional to 11,130.43, 16,696.20 and 3,338.50 is: 5,007.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,130.43 : 16,696.20 = 3,338.50 : x
  2. Step 2: Convert to fraction form
    11,130.43/16,696.20 = 3,338.50/x
  3. Step 3: Cross multiply
    11,130.43x = 16,696.20 × 3,338.50
  4. Step 4: Simplify right side
    11,130.43x = 55,740,263.70
  5. Step 5: Solve for x
    x = 55,740,263.70/11,130.43
  6. Step 6: Final answer
    x = 5,007.92

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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.