Home / 8,166.20-11,269.14-4,629.56

Finding the Fourth Proportional to 8,166.20, 11,269.14 and 4,629.56

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Solution

The fourth proportional to 8,166.20, 11,269.14 and 4,629.56 is: 6,388.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,166.20 : 11,269.14 = 4,629.56 : x
  2. Step 2: Convert to fraction form
    8,166.20/11,269.14 = 4,629.56/x
  3. Step 3: Cross multiply
    8,166.20x = 11,269.14 × 4,629.56
  4. Step 4: Simplify right side
    8,166.20x = 52,171,159.78
  5. Step 5: Solve for x
    x = 52,171,159.78/8,166.20
  6. Step 6: Final answer
    x = 6,388.67

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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.