Home / 8,631.40-11,908.26-5,092.84

Finding the Fourth Proportional to 8,631.40, 11,908.26 and 5,092.84

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Solution

The fourth proportional to 8,631.40, 11,908.26 and 5,092.84 is: 7,026.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,631.40 : 11,908.26 = 5,092.84 : x
  2. Step 2: Convert to fraction form
    8,631.40/11,908.26 = 5,092.84/x
  3. Step 3: Cross multiply
    8,631.40x = 11,908.26 × 5,092.84
  4. Step 4: Simplify right side
    8,631.40x = 60,646,862.86
  5. Step 5: Solve for x
    x = 60,646,862.86/8,631.40
  6. Step 6: Final answer
    x = 7,026.31

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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.