Home / 11,565.09-17,350.38-4,991.94

Finding the Fourth Proportional to 11,565.09, 17,350.38 and 4,991.94

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Solution

The fourth proportional to 11,565.09, 17,350.38 and 4,991.94 is: 7,489.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,565.09 : 17,350.38 = 4,991.94 : x
  2. Step 2: Convert to fraction form
    11,565.09/17,350.38 = 4,991.94/x
  3. Step 3: Cross multiply
    11,565.09x = 17,350.38 × 4,991.94
  4. Step 4: Simplify right side
    11,565.09x = 86,612,055.94
  5. Step 5: Solve for x
    x = 86,612,055.94/11,565.09
  6. Step 6: Final answer
    x = 7,489.09

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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.