Home / 7,480.05-11,222.70-4,195.90

Finding the Fourth Proportional to 7,480.05, 11,222.70 and 4,195.90

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Solution

The fourth proportional to 7,480.05, 11,222.70 and 4,195.90 is: 6,295.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,480.05 : 11,222.70 = 4,195.90 : x
  2. Step 2: Convert to fraction form
    7,480.05/11,222.70 = 4,195.90/x
  3. Step 3: Cross multiply
    7,480.05x = 11,222.70 × 4,195.90
  4. Step 4: Simplify right side
    7,480.05x = 47,089,326.93
  5. Step 5: Solve for x
    x = 47,089,326.93/7,480.05
  6. Step 6: Final answer
    x = 6,295.32

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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.