Home / 8,673.21-11,974.19-5,694.26

Finding the Fourth Proportional to 8,673.21, 11,974.19 and 5,694.26

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Solution

The fourth proportional to 8,673.21, 11,974.19 and 5,694.26 is: 7,861.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,673.21 : 11,974.19 = 5,694.26 : x
  2. Step 2: Convert to fraction form
    8,673.21/11,974.19 = 5,694.26/x
  3. Step 3: Cross multiply
    8,673.21x = 11,974.19 × 5,694.26
  4. Step 4: Simplify right side
    8,673.21x = 68,184,151.15
  5. Step 5: Solve for x
    x = 68,184,151.15/8,673.21
  6. Step 6: Final answer
    x = 7,861.47

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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.