Home / 11,848.53-17,768.93-3,949.35

Finding the Fourth Proportional to 11,848.53, 17,768.93 and 3,949.35

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Solution

The fourth proportional to 11,848.53, 17,768.93 and 3,949.35 is: 5,922.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,848.53 : 17,768.93 = 3,949.35 : x
  2. Step 2: Convert to fraction form
    11,848.53/17,768.93 = 3,949.35/x
  3. Step 3: Cross multiply
    11,848.53x = 17,768.93 × 3,949.35
  4. Step 4: Simplify right side
    11,848.53x = 70,175,703.95
  5. Step 5: Solve for x
    x = 70,175,703.95/11,848.53
  6. Step 6: Final answer
    x = 5,922.74

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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.