Home / 8,399.62-11,591.52-4,622.67

Finding the Fourth Proportional to 8,399.62, 11,591.52 and 4,622.67

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Solution

The fourth proportional to 8,399.62, 11,591.52 and 4,622.67 is: 6,379.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,399.62 : 11,591.52 = 4,622.67 : x
  2. Step 2: Convert to fraction form
    8,399.62/11,591.52 = 4,622.67/x
  3. Step 3: Cross multiply
    8,399.62x = 11,591.52 × 4,622.67
  4. Step 4: Simplify right side
    8,399.62x = 53,583,771.76
  5. Step 5: Solve for x
    x = 53,583,771.76/8,399.62
  6. Step 6: Final answer
    x = 6,379.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.