Home / 7,470.18-11,195.19-2,850.66

Finding the Fourth Proportional to 7,470.18, 11,195.19 and 2,850.66

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Solution

The fourth proportional to 7,470.18, 11,195.19 and 2,850.66 is: 4,272.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,470.18 : 11,195.19 = 2,850.66 : x
  2. Step 2: Convert to fraction form
    7,470.18/11,195.19 = 2,850.66/x
  3. Step 3: Cross multiply
    7,470.18x = 11,195.19 × 2,850.66
  4. Step 4: Simplify right side
    7,470.18x = 31,913,680.33
  5. Step 5: Solve for x
    x = 31,913,680.33/7,470.18
  6. Step 6: Final answer
    x = 4,272.14

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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.