Home / 6,930.97-10,381.39-4,299.12

Finding the Fourth Proportional to 6,930.97, 10,381.39 and 4,299.12

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Solution

The fourth proportional to 6,930.97, 10,381.39 and 4,299.12 is: 6,439.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,930.97 : 10,381.39 = 4,299.12 : x
  2. Step 2: Convert to fraction form
    6,930.97/10,381.39 = 4,299.12/x
  3. Step 3: Cross multiply
    6,930.97x = 10,381.39 × 4,299.12
  4. Step 4: Simplify right side
    6,930.97x = 44,630,830.63
  5. Step 5: Solve for x
    x = 44,630,830.63/6,930.97
  6. Step 6: Final answer
    x = 6,439.34

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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.