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Finding the Fourth Proportional to 10,796.63, 16,137.95 and 9,379.94

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Solution

The fourth proportional to 10,796.63, 16,137.95 and 9,379.94 is: 14,020.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,796.63 : 16,137.95 = 9,379.94 : x
  2. Step 2: Convert to fraction form
    10,796.63/16,137.95 = 9,379.94/x
  3. Step 3: Cross multiply
    10,796.63x = 16,137.95 × 9,379.94
  4. Step 4: Simplify right side
    10,796.63x = 151,372,875.13
  5. Step 5: Solve for x
    x = 151,372,875.13/10,796.63
  6. Step 6: Final answer
    x = 14,020.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.