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Finding the Fourth Proportional to 8,794.94, 12,142.65 and 7,849.08

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Solution

The fourth proportional to 8,794.94, 12,142.65 and 7,849.08 is: 10,836.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,794.94 : 12,142.65 = 7,849.08 : x
  2. Step 2: Convert to fraction form
    8,794.94/12,142.65 = 7,849.08/x
  3. Step 3: Cross multiply
    8,794.94x = 12,142.65 × 7,849.08
  4. Step 4: Simplify right side
    8,794.94x = 95,308,631.26
  5. Step 5: Solve for x
    x = 95,308,631.26/8,794.94
  6. Step 6: Final answer
    x = 10,836.76

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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.