Home / 9,239.57-13,861.37-3,000.21

Finding the Fourth Proportional to 9,239.57, 13,861.37 and 3,000.21

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Solution

The fourth proportional to 9,239.57, 13,861.37 and 3,000.21 is: 4,500.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,239.57 : 13,861.37 = 3,000.21 : x
  2. Step 2: Convert to fraction form
    9,239.57/13,861.37 = 3,000.21/x
  3. Step 3: Cross multiply
    9,239.57x = 13,861.37 × 3,000.21
  4. Step 4: Simplify right side
    9,239.57x = 41,587,020.89
  5. Step 5: Solve for x
    x = 41,587,020.89/9,239.57
  6. Step 6: Final answer
    x = 4,500.97

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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.