Home / 6,447.20-9,665.22-3,844.67

Finding the Fourth Proportional to 6,447.20, 9,665.22 and 3,844.67

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Solution

The fourth proportional to 6,447.20, 9,665.22 and 3,844.67 is: 5,763.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,447.20 : 9,665.22 = 3,844.67 : x
  2. Step 2: Convert to fraction form
    6,447.20/9,665.22 = 3,844.67/x
  3. Step 3: Cross multiply
    6,447.20x = 9,665.22 × 3,844.67
  4. Step 4: Simplify right side
    6,447.20x = 37,159,581.38
  5. Step 5: Solve for x
    x = 37,159,581.38/6,447.20
  6. Step 6: Final answer
    x = 5,763.68

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1.5x scale

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.