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Finding the Fourth Proportional to 8,504.51, 11,736.46 and 5,147.93

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Solution

The fourth proportional to 8,504.51, 11,736.46 and 5,147.93 is: 7,104.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,504.51 : 11,736.46 = 5,147.93 : x
  2. Step 2: Convert to fraction form
    8,504.51/11,736.46 = 5,147.93/x
  3. Step 3: Cross multiply
    8,504.51x = 11,736.46 × 5,147.93
  4. Step 4: Simplify right side
    8,504.51x = 60,418,402.98
  5. Step 5: Solve for x
    x = 60,418,402.98/8,504.51
  6. Step 6: Final answer
    x = 7,104.28

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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.