Home / 7,485.33-11,213.61-4,188.44

Finding the Fourth Proportional to 7,485.33, 11,213.61 and 4,188.44

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Solution

The fourth proportional to 7,485.33, 11,213.61 and 4,188.44 is: 6,274.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,485.33 : 11,213.61 = 4,188.44 : x
  2. Step 2: Convert to fraction form
    7,485.33/11,213.61 = 4,188.44/x
  3. Step 3: Cross multiply
    7,485.33x = 11,213.61 × 4,188.44
  4. Step 4: Simplify right side
    7,485.33x = 46,967,476.60
  5. Step 5: Solve for x
    x = 46,967,476.60/7,485.33
  6. Step 6: Final answer
    x = 6,274.60

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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.