Home / 7,923.22-11,879.43-4,020.10

Finding the Fourth Proportional to 7,923.22, 11,879.43 and 4,020.10

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Solution

The fourth proportional to 7,923.22, 11,879.43 and 4,020.10 is: 6,027.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,923.22 : 11,879.43 = 4,020.10 : x
  2. Step 2: Convert to fraction form
    7,923.22/11,879.43 = 4,020.10/x
  3. Step 3: Cross multiply
    7,923.22x = 11,879.43 × 4,020.10
  4. Step 4: Simplify right side
    7,923.22x = 47,756,496.54
  5. Step 5: Solve for x
    x = 47,756,496.54/7,923.22
  6. Step 6: Final answer
    x = 6,027.41

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1.5x scale

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.