Home / 11,179.28-16,771.08-3,784.94

Finding the Fourth Proportional to 11,179.28, 16,771.08 and 3,784.94

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Solution

The fourth proportional to 11,179.28, 16,771.08 and 3,784.94 is: 5,678.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,179.28 : 16,771.08 = 3,784.94 : x
  2. Step 2: Convert to fraction form
    11,179.28/16,771.08 = 3,784.94/x
  3. Step 3: Cross multiply
    11,179.28x = 16,771.08 × 3,784.94
  4. Step 4: Simplify right side
    11,179.28x = 63,477,531.54
  5. Step 5: Solve for x
    x = 63,477,531.54/11,179.28
  6. Step 6: Final answer
    x = 5,678.14

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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.