Home / 7,012.43-10,518.62-4,814.49

Finding the Fourth Proportional to 7,012.43, 10,518.62 and 4,814.49

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Solution

The fourth proportional to 7,012.43, 10,518.62 and 4,814.49 is: 7,221.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,012.43 : 10,518.62 = 4,814.49 : x
  2. Step 2: Convert to fraction form
    7,012.43/10,518.62 = 4,814.49/x
  3. Step 3: Cross multiply
    7,012.43x = 10,518.62 × 4,814.49
  4. Step 4: Simplify right side
    7,012.43x = 50,641,766.73
  5. Step 5: Solve for x
    x = 50,641,766.73/7,012.43
  6. Step 6: Final answer
    x = 7,221.72

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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.