Home / 8,209.27-11,329.21-5,021.56

Finding the Fourth Proportional to 8,209.27, 11,329.21 and 5,021.56

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Solution

The fourth proportional to 8,209.27, 11,329.21 and 5,021.56 is: 6,930.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,209.27 : 11,329.21 = 5,021.56 : x
  2. Step 2: Convert to fraction form
    8,209.27/11,329.21 = 5,021.56/x
  3. Step 3: Cross multiply
    8,209.27x = 11,329.21 × 5,021.56
  4. Step 4: Simplify right side
    8,209.27x = 56,890,328.21
  5. Step 5: Solve for x
    x = 56,890,328.21/8,209.27
  6. Step 6: Final answer
    x = 6,930.01

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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.