Home / 6,933.90-9,569.40-3,949.11

Finding the Fourth Proportional to 6,933.90, 9,569.40 and 3,949.11

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Solution

The fourth proportional to 6,933.90, 9,569.40 and 3,949.11 is: 5,450.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,933.90 : 9,569.40 = 3,949.11 : x
  2. Step 2: Convert to fraction form
    6,933.90/9,569.40 = 3,949.11/x
  3. Step 3: Cross multiply
    6,933.90x = 9,569.40 × 3,949.11
  4. Step 4: Simplify right side
    6,933.90x = 37,790,613.23
  5. Step 5: Solve for x
    x = 37,790,613.23/6,933.90
  6. Step 6: Final answer
    x = 5,450.12

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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.