Home / 7,976.48-11,007.37-4,619.90

Finding the Fourth Proportional to 7,976.48, 11,007.37 and 4,619.90

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Solution

The fourth proportional to 7,976.48, 11,007.37 and 4,619.90 is: 6,375.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,976.48 : 11,007.37 = 4,619.90 : x
  2. Step 2: Convert to fraction form
    7,976.48/11,007.37 = 4,619.90/x
  3. Step 3: Cross multiply
    7,976.48x = 11,007.37 × 4,619.90
  4. Step 4: Simplify right side
    7,976.48x = 50,852,948.66
  5. Step 5: Solve for x
    x = 50,852,948.66/7,976.48
  6. Step 6: Final answer
    x = 6,375.36

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Why These Related Problems?

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