Home / 12,222.96-18,337.68-5,203.26

Finding the Fourth Proportional to 12,222.96, 18,337.68 and 5,203.26

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Solution

The fourth proportional to 12,222.96, 18,337.68 and 5,203.26 is: 7,806.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,222.96 : 18,337.68 = 5,203.26 : x
  2. Step 2: Convert to fraction form
    12,222.96/18,337.68 = 5,203.26/x
  3. Step 3: Cross multiply
    12,222.96x = 18,337.68 × 5,203.26
  4. Step 4: Simplify right side
    12,222.96x = 95,415,716.84
  5. Step 5: Solve for x
    x = 95,415,716.84/12,222.96
  6. Step 6: Final answer
    x = 7,806.27

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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.