Home / 10,791.40-16,182.64-3,769.92

Finding the Fourth Proportional to 10,791.40, 16,182.64 and 3,769.92

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Solution

The fourth proportional to 10,791.40, 16,182.64 and 3,769.92 is: 5,653.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,791.40 : 16,182.64 = 3,769.92 : x
  2. Step 2: Convert to fraction form
    10,791.40/16,182.64 = 3,769.92/x
  3. Step 3: Cross multiply
    10,791.40x = 16,182.64 × 3,769.92
  4. Step 4: Simplify right side
    10,791.40x = 61,007,258.19
  5. Step 5: Solve for x
    x = 61,007,258.19/10,791.40
  6. Step 6: Final answer
    x = 5,653.32

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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.