Home / 11,786.74-17,675.40-5,208.28

Finding the Fourth Proportional to 11,786.74, 17,675.40 and 5,208.28

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Solution

The fourth proportional to 11,786.74, 17,675.40 and 5,208.28 is: 7,810.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,786.74 : 17,675.40 = 5,208.28 : x
  2. Step 2: Convert to fraction form
    11,786.74/17,675.40 = 5,208.28/x
  3. Step 3: Cross multiply
    11,786.74x = 17,675.40 × 5,208.28
  4. Step 4: Simplify right side
    11,786.74x = 92,058,432.31
  5. Step 5: Solve for x
    x = 92,058,432.31/11,786.74
  6. Step 6: Final answer
    x = 7,810.34

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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.