Home / 11,232.75-16,849.53-4,212.05

Finding the Fourth Proportional to 11,232.75, 16,849.53 and 4,212.05

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Solution

The fourth proportional to 11,232.75, 16,849.53 and 4,212.05 is: 6,318.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,232.75 : 16,849.53 = 4,212.05 : x
  2. Step 2: Convert to fraction form
    11,232.75/16,849.53 = 4,212.05/x
  3. Step 3: Cross multiply
    11,232.75x = 16,849.53 × 4,212.05
  4. Step 4: Simplify right side
    11,232.75x = 70,971,041.78
  5. Step 5: Solve for x
    x = 70,971,041.78/11,232.75
  6. Step 6: Final answer
    x = 6,318.22

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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.