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Finding the Fourth Proportional to 10,876.56, 16,308.28 and 5,939.32

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Solution

The fourth proportional to 10,876.56, 16,308.28 and 5,939.32 is: 8,905.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,876.56 : 16,308.28 = 5,939.32 : x
  2. Step 2: Convert to fraction form
    10,876.56/16,308.28 = 5,939.32/x
  3. Step 3: Cross multiply
    10,876.56x = 16,308.28 × 5,939.32
  4. Step 4: Simplify right side
    10,876.56x = 96,860,093.57
  5. Step 5: Solve for x
    x = 96,860,093.57/10,876.56
  6. Step 6: Final answer
    x = 8,905.40

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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.