Home / 13,231.12-19,845.68-6,212.67

Finding the Fourth Proportional to 13,231.12, 19,845.68 and 6,212.67

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Solution

The fourth proportional to 13,231.12, 19,845.68 and 6,212.67 is: 9,318.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,231.12 : 19,845.68 = 6,212.67 : x
  2. Step 2: Convert to fraction form
    13,231.12/19,845.68 = 6,212.67/x
  3. Step 3: Cross multiply
    13,231.12x = 19,845.68 × 6,212.67
  4. Step 4: Simplify right side
    13,231.12x = 123,294,660.77
  5. Step 5: Solve for x
    x = 123,294,660.77/13,231.12
  6. Step 6: Final answer
    x = 9,318.54

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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.