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Finding the Fourth Proportional to 11,884.85, 16,401.48 and 6,848.68

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Solution

The fourth proportional to 11,884.85, 16,401.48 and 6,848.68 is: 9,451.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,884.85 : 16,401.48 = 6,848.68 : x
  2. Step 2: Convert to fraction form
    11,884.85/16,401.48 = 6,848.68/x
  3. Step 3: Cross multiply
    11,884.85x = 16,401.48 × 6,848.68
  4. Step 4: Simplify right side
    11,884.85x = 112,328,488.05
  5. Step 5: Solve for x
    x = 112,328,488.05/11,884.85
  6. Step 6: Final answer
    x = 9,451.40

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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.