Home / 8,673.23-13,005.99-3,992.10

Finding the Fourth Proportional to 8,673.23, 13,005.99 and 3,992.10

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Solution

The fourth proportional to 8,673.23, 13,005.99 and 3,992.10 is: 5,986.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,673.23 : 13,005.99 = 3,992.10 : x
  2. Step 2: Convert to fraction form
    8,673.23/13,005.99 = 3,992.10/x
  3. Step 3: Cross multiply
    8,673.23x = 13,005.99 × 3,992.10
  4. Step 4: Simplify right side
    8,673.23x = 51,921,212.68
  5. Step 5: Solve for x
    x = 51,921,212.68/8,673.23
  6. Step 6: Final answer
    x = 5,986.38

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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.