Home / 11,326.84-16,991.78-4,751.46

Finding the Fourth Proportional to 11,326.84, 16,991.78 and 4,751.46

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Solution

The fourth proportional to 11,326.84, 16,991.78 and 4,751.46 is: 7,127.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,326.84 : 16,991.78 = 4,751.46 : x
  2. Step 2: Convert to fraction form
    11,326.84/16,991.78 = 4,751.46/x
  3. Step 3: Cross multiply
    11,326.84x = 16,991.78 × 4,751.46
  4. Step 4: Simplify right side
    11,326.84x = 80,735,739.24
  5. Step 5: Solve for x
    x = 80,735,739.24/11,326.84
  6. Step 6: Final answer
    x = 7,127.83

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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.