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Finding the Fourth Proportional to 8,450.30, 11,847.70 and 8,450.30

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Solution

The fourth proportional to 8,450.30, 11,847.70 and 8,450.30 is: 11,847.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,450.30 : 11,847.70 = 8,450.30 : x
  2. Step 2: Convert to fraction form
    8,450.30/11,847.70 = 8,450.30/x
  3. Step 3: Cross multiply
    8,450.30x = 11,847.70 × 8,450.30
  4. Step 4: Simplify right side
    8,450.30x = 100,116,619.31
  5. Step 5: Solve for x
    x = 100,116,619.31/8,450.30
  6. Step 6: Final answer
    x = 11,847.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.