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Finding the Fourth Proportional to 8,012.94, 12,012.12 and 5,930.43

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Solution

The fourth proportional to 8,012.94, 12,012.12 and 5,930.43 is: 8,890.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,012.94 : 12,012.12 = 5,930.43 : x
  2. Step 2: Convert to fraction form
    8,012.94/12,012.12 = 5,930.43/x
  3. Step 3: Cross multiply
    8,012.94x = 12,012.12 × 5,930.43
  4. Step 4: Simplify right side
    8,012.94x = 71,237,036.81
  5. Step 5: Solve for x
    x = 71,237,036.81/8,012.94
  6. Step 6: Final answer
    x = 8,890.25

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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.