Home / 11,975.75-17,959.30-5,050.79

Finding the Fourth Proportional to 11,975.75, 17,959.30 and 5,050.79

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Solution

The fourth proportional to 11,975.75, 17,959.30 and 5,050.79 is: 7,574.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,975.75 : 17,959.30 = 5,050.79 : x
  2. Step 2: Convert to fraction form
    11,975.75/17,959.30 = 5,050.79/x
  3. Step 3: Cross multiply
    11,975.75x = 17,959.30 × 5,050.79
  4. Step 4: Simplify right side
    11,975.75x = 90,708,550.42
  5. Step 5: Solve for x
    x = 90,708,550.42/11,975.75
  6. Step 6: Final answer
    x = 7,574.36

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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.