Home / 11,571.05-17,359.31-4,999.12

Finding the Fourth Proportional to 11,571.05, 17,359.31 and 4,999.12

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Solution

The fourth proportional to 11,571.05, 17,359.31 and 4,999.12 is: 7,499.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,571.05 : 17,359.31 = 4,999.12 : x
  2. Step 2: Convert to fraction form
    11,571.05/17,359.31 = 4,999.12/x
  3. Step 3: Cross multiply
    11,571.05x = 17,359.31 × 4,999.12
  4. Step 4: Simplify right side
    11,571.05x = 86,781,242.91
  5. Step 5: Solve for x
    x = 86,781,242.91/11,571.05
  6. Step 6: Final answer
    x = 7,499.86

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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.