Home / 10,089.20-13,922.66-5,612.99

Finding the Fourth Proportional to 10,089.20, 13,922.66 and 5,612.99

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Solution

The fourth proportional to 10,089.20, 13,922.66 and 5,612.99 is: 7,745.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,089.20 : 13,922.66 = 5,612.99 : x
  2. Step 2: Convert to fraction form
    10,089.20/13,922.66 = 5,612.99/x
  3. Step 3: Cross multiply
    10,089.20x = 13,922.66 × 5,612.99
  4. Step 4: Simplify right side
    10,089.20x = 78,147,653.68
  5. Step 5: Solve for x
    x = 78,147,653.68/10,089.20
  6. Step 6: Final answer
    x = 7,745.67

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.