Home / 7,107.09-9,808.23-3,963.27

Finding the Fourth Proportional to 7,107.09, 9,808.23 and 3,963.27

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Solution

The fourth proportional to 7,107.09, 9,808.23 and 3,963.27 is: 5,469.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,107.09 : 9,808.23 = 3,963.27 : x
  2. Step 2: Convert to fraction form
    7,107.09/9,808.23 = 3,963.27/x
  3. Step 3: Cross multiply
    7,107.09x = 9,808.23 × 3,963.27
  4. Step 4: Simplify right side
    7,107.09x = 38,872,663.71
  5. Step 5: Solve for x
    x = 38,872,663.71/7,107.09
  6. Step 6: Final answer
    x = 5,469.56

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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.