Home / 11,825.96-16,320.66-6,791

Finding the Fourth Proportional to 11,825.96, 16,320.66 and 6,791

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Solution

The fourth proportional to 11,825.96, 16,320.66 and 6,791 is: 9,372.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,825.96 : 16,320.66 = 6,791 : x
  2. Step 2: Convert to fraction form
    11,825.96/16,320.66 = 6,791/x
  3. Step 3: Cross multiply
    11,825.96x = 16,320.66 × 6,791
  4. Step 4: Simplify right side
    11,825.96x = 110,833,602.06
  5. Step 5: Solve for x
    x = 110,833,602.06/11,825.96
  6. Step 6: Final answer
    x = 9,372.06

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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.