Home / 8,370.86-11,551.00-5,013.62

Finding the Fourth Proportional to 8,370.86, 11,551.00 and 5,013.62

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Solution

The fourth proportional to 8,370.86, 11,551.00 and 5,013.62 is: 6,918.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,370.86 : 11,551.00 = 5,013.62 : x
  2. Step 2: Convert to fraction form
    8,370.86/11,551.00 = 5,013.62/x
  3. Step 3: Cross multiply
    8,370.86x = 11,551.00 × 5,013.62
  4. Step 4: Simplify right side
    8,370.86x = 57,912,241.80
  5. Step 5: Solve for x
    x = 57,912,241.80/8,370.86
  6. Step 6: Final answer
    x = 6,918.31

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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.