Home / 7,848.75-11,766.30-3,168.57

Finding the Fourth Proportional to 7,848.75, 11,766.30 and 3,168.57

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Solution

The fourth proportional to 7,848.75, 11,766.30 and 3,168.57 is: 4,750.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,848.75 : 11,766.30 = 3,168.57 : x
  2. Step 2: Convert to fraction form
    7,848.75/11,766.30 = 3,168.57/x
  3. Step 3: Cross multiply
    7,848.75x = 11,766.30 × 3,168.57
  4. Step 4: Simplify right side
    7,848.75x = 37,282,377.43
  5. Step 5: Solve for x
    x = 37,282,377.43/7,848.75
  6. Step 6: Final answer
    x = 4,750.10

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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.