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Finding the Fourth Proportional to 11,791.26, 16,263.60 and 10,010.60

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Solution

The fourth proportional to 11,791.26, 16,263.60 and 10,010.60 is: 13,807.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,791.26 : 16,263.60 = 10,010.60 : x
  2. Step 2: Convert to fraction form
    11,791.26/16,263.60 = 10,010.60/x
  3. Step 3: Cross multiply
    11,791.26x = 16,263.60 × 10,010.60
  4. Step 4: Simplify right side
    11,791.26x = 162,808,394.16
  5. Step 5: Solve for x
    x = 162,808,394.16/11,791.26
  6. Step 6: Final answer
    x = 13,807.55

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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.