Home / 7,454.24-11,172.80-4,168.80

Finding the Fourth Proportional to 7,454.24, 11,172.80 and 4,168.80

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Solution

The fourth proportional to 7,454.24, 11,172.80 and 4,168.80 is: 6,248.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,454.24 : 11,172.80 = 4,168.80 : x
  2. Step 2: Convert to fraction form
    7,454.24/11,172.80 = 4,168.80/x
  3. Step 3: Cross multiply
    7,454.24x = 11,172.80 × 4,168.80
  4. Step 4: Simplify right side
    7,454.24x = 46,577,168.64
  5. Step 5: Solve for x
    x = 46,577,168.64/7,454.24
  6. Step 6: Final answer
    x = 6,248.41

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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.