Home / 11,879.19-17,824.86-7,933.14

Finding the Fourth Proportional to 11,879.19, 17,824.86 and 7,933.14

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Solution

The fourth proportional to 11,879.19, 17,824.86 and 7,933.14 is: 11,903.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,879.19 : 17,824.86 = 7,933.14 : x
  2. Step 2: Convert to fraction form
    11,879.19/17,824.86 = 7,933.14/x
  3. Step 3: Cross multiply
    11,879.19x = 17,824.86 × 7,933.14
  4. Step 4: Simplify right side
    11,879.19x = 141,407,109.86
  5. Step 5: Solve for x
    x = 141,407,109.86/11,879.19
  6. Step 6: Final answer
    x = 11,903.77

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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.