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Finding the Fourth Proportional to 8,313.94, 12,460.94 and 4,796.67

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Solution

The fourth proportional to 8,313.94, 12,460.94 and 4,796.67 is: 7,189.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,313.94 : 12,460.94 = 4,796.67 : x
  2. Step 2: Convert to fraction form
    8,313.94/12,460.94 = 4,796.67/x
  3. Step 3: Cross multiply
    8,313.94x = 12,460.94 × 4,796.67
  4. Step 4: Simplify right side
    8,313.94x = 59,770,987.71
  5. Step 5: Solve for x
    x = 59,770,987.71/8,313.94
  6. Step 6: Final answer
    x = 7,189.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.