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Finding the Fourth Proportional to 8,373.36, 12,614.34 and 7,965.84

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Solution

The fourth proportional to 8,373.36, 12,614.34 and 7,965.84 is: 12,000.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,373.36 : 12,614.34 = 7,965.84 : x
  2. Step 2: Convert to fraction form
    8,373.36/12,614.34 = 7,965.84/x
  3. Step 3: Cross multiply
    8,373.36x = 12,614.34 × 7,965.84
  4. Step 4: Simplify right side
    8,373.36x = 100,483,814.15
  5. Step 5: Solve for x
    x = 100,483,814.15/8,373.36
  6. Step 6: Final answer
    x = 12,000.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.