Home / 10,648.46-15,972.84-4,074.98

Finding the Fourth Proportional to 10,648.46, 15,972.84 and 4,074.98

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Solution

The fourth proportional to 10,648.46, 15,972.84 and 4,074.98 is: 6,112.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,648.46 : 15,972.84 = 4,074.98 : x
  2. Step 2: Convert to fraction form
    10,648.46/15,972.84 = 4,074.98/x
  3. Step 3: Cross multiply
    10,648.46x = 15,972.84 × 4,074.98
  4. Step 4: Simplify right side
    10,648.46x = 65,089,003.54
  5. Step 5: Solve for x
    x = 65,089,003.54/10,648.46
  6. Step 6: Final answer
    x = 6,112.53

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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.