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Finding the Fourth Proportional to 11,928.03, 16,461.42 and 6,893.19

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Solution

The fourth proportional to 11,928.03, 16,461.42 and 6,893.19 is: 9,513.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,928.03 : 16,461.42 = 6,893.19 : x
  2. Step 2: Convert to fraction form
    11,928.03/16,461.42 = 6,893.19/x
  3. Step 3: Cross multiply
    11,928.03x = 16,461.42 × 6,893.19
  4. Step 4: Simplify right side
    11,928.03x = 113,471,695.73
  5. Step 5: Solve for x
    x = 113,471,695.73/11,928.03
  6. Step 6: Final answer
    x = 9,513.03

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Double scale
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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.