Home / 6,759.88-10,125.70-5,436.48

Finding the Fourth Proportional to 6,759.88, 10,125.70 and 5,436.48

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Solution

The fourth proportional to 6,759.88, 10,125.70 and 5,436.48 is: 8,143.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,759.88 : 10,125.70 = 5,436.48 : x
  2. Step 2: Convert to fraction form
    6,759.88/10,125.70 = 5,436.48/x
  3. Step 3: Cross multiply
    6,759.88x = 10,125.70 × 5,436.48
  4. Step 4: Simplify right side
    6,759.88x = 55,048,087.73
  5. Step 5: Solve for x
    x = 55,048,087.73/6,759.88
  6. Step 6: Final answer
    x = 8,143.35

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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.