Home / 11,380.79-17,055.38-6,703.85

Finding the Fourth Proportional to 11,380.79, 17,055.38 and 6,703.85

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Solution

The fourth proportional to 11,380.79, 17,055.38 and 6,703.85 is: 10,046.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,380.79 : 17,055.38 = 6,703.85 : x
  2. Step 2: Convert to fraction form
    11,380.79/17,055.38 = 6,703.85/x
  3. Step 3: Cross multiply
    11,380.79x = 17,055.38 × 6,703.85
  4. Step 4: Simplify right side
    11,380.79x = 114,336,768.61
  5. Step 5: Solve for x
    x = 114,336,768.61/11,380.79
  6. Step 6: Final answer
    x = 10,046.47

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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.