Home / 11,849.20-17,767.72-6,928.45

Finding the Fourth Proportional to 11,849.20, 17,767.72 and 6,928.45

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Solution

The fourth proportional to 11,849.20, 17,767.72 and 6,928.45 is: 10,389.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,849.20 : 17,767.72 = 6,928.45 : x
  2. Step 2: Convert to fraction form
    11,849.20/17,767.72 = 6,928.45/x
  3. Step 3: Cross multiply
    11,849.20x = 17,767.72 × 6,928.45
  4. Step 4: Simplify right side
    11,849.20x = 123,102,759.63
  5. Step 5: Solve for x
    x = 123,102,759.63/11,849.20
  6. Step 6: Final answer
    x = 10,389.12

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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.