Home / 27,579.48-41,375.70-7,858.32

Finding the Fourth Proportional to 27,579.48, 41,375.70 and 7,858.32

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Solution

The fourth proportional to 27,579.48, 41,375.70 and 7,858.32 is: 11,789.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,579.48 : 41,375.70 = 7,858.32 : x
  2. Step 2: Convert to fraction form
    27,579.48/41,375.70 = 7,858.32/x
  3. Step 3: Cross multiply
    27,579.48x = 41,375.70 × 7,858.32
  4. Step 4: Simplify right side
    27,579.48x = 325,143,490.82
  5. Step 5: Solve for x
    x = 325,143,490.82/27,579.48
  6. Step 6: Final answer
    x = 11,789.33

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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.