Home / 10,127.73-13,976.30-5,651.75

Finding the Fourth Proportional to 10,127.73, 13,976.30 and 5,651.75

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Solution

The fourth proportional to 10,127.73, 13,976.30 and 5,651.75 is: 7,799.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,127.73 : 13,976.30 = 5,651.75 : x
  2. Step 2: Convert to fraction form
    10,127.73/13,976.30 = 5,651.75/x
  3. Step 3: Cross multiply
    10,127.73x = 13,976.30 × 5,651.75
  4. Step 4: Simplify right side
    10,127.73x = 78,990,531.50
  5. Step 5: Solve for x
    x = 78,990,531.50/10,127.73
  6. Step 6: Final answer
    x = 7,799.43

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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.