Home / 11,579.07-17,368.61-2,813.92

Finding the Fourth Proportional to 11,579.07, 17,368.61 and 2,813.92

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Solution

The fourth proportional to 11,579.07, 17,368.61 and 2,813.92 is: 4,220.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,579.07 : 17,368.61 = 2,813.92 : x
  2. Step 2: Convert to fraction form
    11,579.07/17,368.61 = 2,813.92/x
  3. Step 3: Cross multiply
    11,579.07x = 17,368.61 × 2,813.92
  4. Step 4: Simplify right side
    11,579.07x = 48,873,935.09
  5. Step 5: Solve for x
    x = 48,873,935.09/11,579.07
  6. Step 6: Final answer
    x = 4,220.89

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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.