Home / 6,930.89-9,563.50-4,279.15

Finding the Fourth Proportional to 6,930.89, 9,563.50 and 4,279.15

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Solution

The fourth proportional to 6,930.89, 9,563.50 and 4,279.15 is: 5,904.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,930.89 : 9,563.50 = 4,279.15 : x
  2. Step 2: Convert to fraction form
    6,930.89/9,563.50 = 4,279.15/x
  3. Step 3: Cross multiply
    6,930.89x = 9,563.50 × 4,279.15
  4. Step 4: Simplify right side
    6,930.89x = 40,923,651.03
  5. Step 5: Solve for x
    x = 40,923,651.03/6,930.89
  6. Step 6: Final answer
    x = 5,904.53

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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.