Home / 8,586.45-12,880.62-2,741.67

Finding the Fourth Proportional to 8,586.45, 12,880.62 and 2,741.67

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Solution

The fourth proportional to 8,586.45, 12,880.62 and 2,741.67 is: 4,112.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,586.45 : 12,880.62 = 2,741.67 : x
  2. Step 2: Convert to fraction form
    8,586.45/12,880.62 = 2,741.67/x
  3. Step 3: Cross multiply
    8,586.45x = 12,880.62 × 2,741.67
  4. Step 4: Simplify right side
    8,586.45x = 35,314,409.44
  5. Step 5: Solve for x
    x = 35,314,409.44/8,586.45
  6. Step 6: Final answer
    x = 4,112.81

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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.