Home / 7,433.80-11,152.20-2,168.80

Finding the Fourth Proportional to 7,433.80, 11,152.20 and 2,168.80

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Solution

The fourth proportional to 7,433.80, 11,152.20 and 2,168.80 is: 3,253.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,433.80 : 11,152.20 = 2,168.80 : x
  2. Step 2: Convert to fraction form
    7,433.80/11,152.20 = 2,168.80/x
  3. Step 3: Cross multiply
    7,433.80x = 11,152.20 × 2,168.80
  4. Step 4: Simplify right side
    7,433.80x = 24,186,891.36
  5. Step 5: Solve for x
    x = 24,186,891.36/7,433.80
  6. Step 6: Final answer
    x = 3,253.64

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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.