Home / 11,750.62-17,621.82-4,728.81

Finding the Fourth Proportional to 11,750.62, 17,621.82 and 4,728.81

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Solution

The fourth proportional to 11,750.62, 17,621.82 and 4,728.81 is: 7,091.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,750.62 : 17,621.82 = 4,728.81 : x
  2. Step 2: Convert to fraction form
    11,750.62/17,621.82 = 4,728.81/x
  3. Step 3: Cross multiply
    11,750.62x = 17,621.82 × 4,728.81
  4. Step 4: Simplify right side
    11,750.62x = 83,330,238.63
  5. Step 5: Solve for x
    x = 83,330,238.63/11,750.62
  6. Step 6: Final answer
    x = 7,091.56

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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.