Home / 7,772.68-11,654.70-3,092.32

Finding the Fourth Proportional to 7,772.68, 11,654.70 and 3,092.32

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Solution

The fourth proportional to 7,772.68, 11,654.70 and 3,092.32 is: 4,636.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,772.68 : 11,654.70 = 3,092.32 : x
  2. Step 2: Convert to fraction form
    7,772.68/11,654.70 = 3,092.32/x
  3. Step 3: Cross multiply
    7,772.68x = 11,654.70 × 3,092.32
  4. Step 4: Simplify right side
    7,772.68x = 36,040,061.90
  5. Step 5: Solve for x
    x = 36,040,061.90/7,772.68
  6. Step 6: Final answer
    x = 4,636.76

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1.5x scale

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.