Home / 11,171.94-16,761.80-7,007.02

Finding the Fourth Proportional to 11,171.94, 16,761.80 and 7,007.02

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Solution

The fourth proportional to 11,171.94, 16,761.80 and 7,007.02 is: 10,512.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,171.94 : 16,761.80 = 7,007.02 : x
  2. Step 2: Convert to fraction form
    11,171.94/16,761.80 = 7,007.02/x
  3. Step 3: Cross multiply
    11,171.94x = 16,761.80 × 7,007.02
  4. Step 4: Simplify right side
    11,171.94x = 117,450,148.99
  5. Step 5: Solve for x
    x = 117,450,148.99/11,171.94
  6. Step 6: Final answer
    x = 10,512.96

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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.