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Finding the Fourth Proportional to 8,253.65, 12,370.03 and 4,786.85

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Solution

The fourth proportional to 8,253.65, 12,370.03 and 4,786.85 is: 7,174.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,253.65 : 12,370.03 = 4,786.85 : x
  2. Step 2: Convert to fraction form
    8,253.65/12,370.03 = 4,786.85/x
  3. Step 3: Cross multiply
    8,253.65x = 12,370.03 × 4,786.85
  4. Step 4: Simplify right side
    8,253.65x = 59,213,478.11
  5. Step 5: Solve for x
    x = 59,213,478.11/8,253.65
  6. Step 6: Final answer
    x = 7,174.22

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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.