Home / 11,879.52-17,825.32-4,864.70

Finding the Fourth Proportional to 11,879.52, 17,825.32 and 4,864.70

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Solution

The fourth proportional to 11,879.52, 17,825.32 and 4,864.70 is: 7,299.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,879.52 : 17,825.32 = 4,864.70 : x
  2. Step 2: Convert to fraction form
    11,879.52/17,825.32 = 4,864.70/x
  3. Step 3: Cross multiply
    11,879.52x = 17,825.32 × 4,864.70
  4. Step 4: Simplify right side
    11,879.52x = 86,714,834.20
  5. Step 5: Solve for x
    x = 86,714,834.20/11,879.52
  6. Step 6: Final answer
    x = 7,299.52

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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.