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Finding the Fourth Proportional to 10,791.23, 14,893.04 and 6,316.43

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Solution

The fourth proportional to 10,791.23, 14,893.04 and 6,316.43 is: 8,717.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,791.23 : 14,893.04 = 6,316.43 : x
  2. Step 2: Convert to fraction form
    10,791.23/14,893.04 = 6,316.43/x
  3. Step 3: Cross multiply
    10,791.23x = 14,893.04 × 6,316.43
  4. Step 4: Simplify right side
    10,791.23x = 94,070,813.07
  5. Step 5: Solve for x
    x = 94,070,813.07/10,791.23
  6. Step 6: Final answer
    x = 8,717.34

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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.