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Finding the Fourth Proportional to 9,373.05, 12,929.69 and 6,012.12

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Solution

The fourth proportional to 9,373.05, 12,929.69 and 6,012.12 is: 8,293.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,373.05 : 12,929.69 = 6,012.12 : x
  2. Step 2: Convert to fraction form
    9,373.05/12,929.69 = 6,012.12/x
  3. Step 3: Cross multiply
    9,373.05x = 12,929.69 × 6,012.12
  4. Step 4: Simplify right side
    9,373.05x = 77,734,847.84
  5. Step 5: Solve for x
    x = 77,734,847.84/9,373.05
  6. Step 6: Final answer
    x = 8,293.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.