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Finding the Fourth Proportional to 11,145.46, 16,697.69 and 6,984.69

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Solution

The fourth proportional to 11,145.46, 16,697.69 and 6,984.69 is: 10,464.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,145.46 : 16,697.69 = 6,984.69 : x
  2. Step 2: Convert to fraction form
    11,145.46/16,697.69 = 6,984.69/x
  3. Step 3: Cross multiply
    11,145.46x = 16,697.69 × 6,984.69
  4. Step 4: Simplify right side
    11,145.46x = 116,628,188.37
  5. Step 5: Solve for x
    x = 116,628,188.37/11,145.46
  6. Step 6: Final answer
    x = 10,464.19

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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.