Home / 6,927.12-10,374.48-3,456

Finding the Fourth Proportional to 6,927.12, 10,374.48 and 3,456

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Solution

The fourth proportional to 6,927.12, 10,374.48 and 3,456 is: 5,175.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,927.12 : 10,374.48 = 3,456 : x
  2. Step 2: Convert to fraction form
    6,927.12/10,374.48 = 3,456/x
  3. Step 3: Cross multiply
    6,927.12x = 10,374.48 × 3,456
  4. Step 4: Simplify right side
    6,927.12x = 35,854,202.88
  5. Step 5: Solve for x
    x = 35,854,202.88/6,927.12
  6. Step 6: Final answer
    x = 5,175.92

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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.