Home / 6,934.12-10,398.90-3,469

Finding the Fourth Proportional to 6,934.12, 10,398.90 and 3,469

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Solution

The fourth proportional to 6,934.12, 10,398.90 and 3,469 is: 5,202.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,934.12 : 10,398.90 = 3,469 : x
  2. Step 2: Convert to fraction form
    6,934.12/10,398.90 = 3,469/x
  3. Step 3: Cross multiply
    6,934.12x = 10,398.90 × 3,469
  4. Step 4: Simplify right side
    6,934.12x = 36,073,784.10
  5. Step 5: Solve for x
    x = 36,073,784.10/6,934.12
  6. Step 6: Final answer
    x = 5,202.36

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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.