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Finding the Fourth Proportional to 11,074.59, 16,616.21 and 6,392.12

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Solution

The fourth proportional to 11,074.59, 16,616.21 and 6,392.12 is: 9,590.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,074.59 : 16,616.21 = 6,392.12 : x
  2. Step 2: Convert to fraction form
    11,074.59/16,616.21 = 6,392.12/x
  3. Step 3: Cross multiply
    11,074.59x = 16,616.21 × 6,392.12
  4. Step 4: Simplify right side
    11,074.59x = 106,212,693.22
  5. Step 5: Solve for x
    x = 106,212,693.22/11,074.59
  6. Step 6: Final answer
    x = 9,590.67

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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.