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Finding the Fourth Proportional to 10,794.63, 14,891.79 and 6,316.42

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Solution

The fourth proportional to 10,794.63, 14,891.79 and 6,316.42 is: 8,713.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,794.63 : 14,891.79 = 6,316.42 : x
  2. Step 2: Convert to fraction form
    10,794.63/14,891.79 = 6,316.42/x
  3. Step 3: Cross multiply
    10,794.63x = 14,891.79 × 6,316.42
  4. Step 4: Simplify right side
    10,794.63x = 94,062,800.19
  5. Step 5: Solve for x
    x = 94,062,800.19/10,794.63
  6. Step 6: Final answer
    x = 8,713.85

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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.