Home / 8,224.57-12,336.72-5,585.53

Finding the Fourth Proportional to 8,224.57, 12,336.72 and 5,585.53

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Solution

The fourth proportional to 8,224.57, 12,336.72 and 5,585.53 is: 8,378.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,224.57 : 12,336.72 = 5,585.53 : x
  2. Step 2: Convert to fraction form
    8,224.57/12,336.72 = 5,585.53/x
  3. Step 3: Cross multiply
    8,224.57x = 12,336.72 × 5,585.53
  4. Step 4: Simplify right side
    8,224.57x = 68,907,119.66
  5. Step 5: Solve for x
    x = 68,907,119.66/8,224.57
  6. Step 6: Final answer
    x = 8,378.20

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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.