Home / 6,900.93-9,519.39-4,247.80

Finding the Fourth Proportional to 6,900.93, 9,519.39 and 4,247.80

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Solution

The fourth proportional to 6,900.93, 9,519.39 and 4,247.80 is: 5,859.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,900.93 : 9,519.39 = 4,247.80 : x
  2. Step 2: Convert to fraction form
    6,900.93/9,519.39 = 4,247.80/x
  3. Step 3: Cross multiply
    6,900.93x = 9,519.39 × 4,247.80
  4. Step 4: Simplify right side
    6,900.93x = 40,436,441.04
  5. Step 5: Solve for x
    x = 40,436,441.04/6,900.93
  6. Step 6: Final answer
    x = 5,859.56

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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.