Home / 8,673.96-11,975.22-5,695

Finding the Fourth Proportional to 8,673.96, 11,975.22 and 5,695

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Solution

The fourth proportional to 8,673.96, 11,975.22 and 5,695 is: 7,862.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,673.96 : 11,975.22 = 5,695 : x
  2. Step 2: Convert to fraction form
    8,673.96/11,975.22 = 5,695/x
  3. Step 3: Cross multiply
    8,673.96x = 11,975.22 × 5,695
  4. Step 4: Simplify right side
    8,673.96x = 68,198,877.90
  5. Step 5: Solve for x
    x = 68,198,877.90/8,673.96
  6. Step 6: Final answer
    x = 7,862.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.