Home / 11,411.07-15,745.73-6,375.04

Finding the Fourth Proportional to 11,411.07, 15,745.73 and 6,375.04

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Solution

The fourth proportional to 11,411.07, 15,745.73 and 6,375.04 is: 8,796.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,411.07 : 15,745.73 = 6,375.04 : x
  2. Step 2: Convert to fraction form
    11,411.07/15,745.73 = 6,375.04/x
  3. Step 3: Cross multiply
    11,411.07x = 15,745.73 × 6,375.04
  4. Step 4: Simplify right side
    11,411.07x = 100,379,658.58
  5. Step 5: Solve for x
    x = 100,379,658.58/11,411.07
  6. Step 6: Final answer
    x = 8,796.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.