Home / 7,789.62-10,745.55-5,268.42

Finding the Fourth Proportional to 7,789.62, 10,745.55 and 5,268.42

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Solution

The fourth proportional to 7,789.62, 10,745.55 and 5,268.42 is: 7,267.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,789.62 : 10,745.55 = 5,268.42 : x
  2. Step 2: Convert to fraction form
    7,789.62/10,745.55 = 5,268.42/x
  3. Step 3: Cross multiply
    7,789.62x = 10,745.55 × 5,268.42
  4. Step 4: Simplify right side
    7,789.62x = 56,612,070.53
  5. Step 5: Solve for x
    x = 56,612,070.53/7,789.62
  6. Step 6: Final answer
    x = 7,267.63

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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.