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Finding the Fourth Proportional to 11,211.74, 16,808.94 and 7,266.93

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Solution

The fourth proportional to 11,211.74, 16,808.94 and 7,266.93 is: 10,894.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,211.74 : 16,808.94 = 7,266.93 : x
  2. Step 2: Convert to fraction form
    11,211.74/16,808.94 = 7,266.93/x
  3. Step 3: Cross multiply
    11,211.74x = 16,808.94 × 7,266.93
  4. Step 4: Simplify right side
    11,211.74x = 122,149,390.35
  5. Step 5: Solve for x
    x = 122,149,390.35/11,211.74
  6. Step 6: Final answer
    x = 10,894.78

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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.