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Finding the Fourth Proportional to 11,884.48, 16,400.88 and 6,848.96

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Solution

The fourth proportional to 11,884.48, 16,400.88 and 6,848.96 is: 9,451.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,884.48 : 16,400.88 = 6,848.96 : x
  2. Step 2: Convert to fraction form
    11,884.48/16,400.88 = 6,848.96/x
  3. Step 3: Cross multiply
    11,884.48x = 16,400.88 × 6,848.96
  4. Step 4: Simplify right side
    11,884.48x = 112,328,971.08
  5. Step 5: Solve for x
    x = 112,328,971.08/11,884.48
  6. Step 6: Final answer
    x = 9,451.74

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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.