Home / 12,223.44-18,331.72-4,725.27

Finding the Fourth Proportional to 12,223.44, 18,331.72 and 4,725.27

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Solution

The fourth proportional to 12,223.44, 18,331.72 and 4,725.27 is: 7,086.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,223.44 : 18,331.72 = 4,725.27 : x
  2. Step 2: Convert to fraction form
    12,223.44/18,331.72 = 4,725.27/x
  3. Step 3: Cross multiply
    12,223.44x = 18,331.72 × 4,725.27
  4. Step 4: Simplify right side
    12,223.44x = 86,622,314.75
  5. Step 5: Solve for x
    x = 86,622,314.75/12,223.44
  6. Step 6: Final answer
    x = 7,086.57

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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.