Home / 8,718.44-12,033.20-5,180.96

Finding the Fourth Proportional to 8,718.44, 12,033.20 and 5,180.96

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Solution

The fourth proportional to 8,718.44, 12,033.20 and 5,180.96 is: 7,150.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,718.44 : 12,033.20 = 5,180.96 : x
  2. Step 2: Convert to fraction form
    8,718.44/12,033.20 = 5,180.96/x
  3. Step 3: Cross multiply
    8,718.44x = 12,033.20 × 5,180.96
  4. Step 4: Simplify right side
    8,718.44x = 62,343,527.87
  5. Step 5: Solve for x
    x = 62,343,527.87/8,718.44
  6. Step 6: Final answer
    x = 7,150.77

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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.