Home / 11,752.79-17,633.80-5,174.36

Finding the Fourth Proportional to 11,752.79, 17,633.80 and 5,174.36

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Solution

The fourth proportional to 11,752.79, 17,633.80 and 5,174.36 is: 7,763.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,752.79 : 17,633.80 = 5,174.36 : x
  2. Step 2: Convert to fraction form
    11,752.79/17,633.80 = 5,174.36/x
  3. Step 3: Cross multiply
    11,752.79x = 17,633.80 × 5,174.36
  4. Step 4: Simplify right side
    11,752.79x = 91,243,629.37
  5. Step 5: Solve for x
    x = 91,243,629.37/11,752.79
  6. Step 6: Final answer
    x = 7,763.57

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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.