Home / 8,396.38-11,586.18-4,619.48

Finding the Fourth Proportional to 8,396.38, 11,586.18 and 4,619.48

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Solution

The fourth proportional to 8,396.38, 11,586.18 and 4,619.48 is: 6,374.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,396.38 : 11,586.18 = 4,619.48 : x
  2. Step 2: Convert to fraction form
    8,396.38/11,586.18 = 4,619.48/x
  3. Step 3: Cross multiply
    8,396.38x = 11,586.18 × 4,619.48
  4. Step 4: Simplify right side
    8,396.38x = 53,522,126.79
  5. Step 5: Solve for x
    x = 53,522,126.79/8,396.38
  6. Step 6: Final answer
    x = 6,374.43

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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.