Home / 8,269.99-12,402.32-2,722.03

Finding the Fourth Proportional to 8,269.99, 12,402.32 and 2,722.03

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Solution

The fourth proportional to 8,269.99, 12,402.32 and 2,722.03 is: 4,082.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,269.99 : 12,402.32 = 2,722.03 : x
  2. Step 2: Convert to fraction form
    8,269.99/12,402.32 = 2,722.03/x
  3. Step 3: Cross multiply
    8,269.99x = 12,402.32 × 2,722.03
  4. Step 4: Simplify right side
    8,269.99x = 33,759,442.49
  5. Step 5: Solve for x
    x = 33,759,442.49/8,269.99
  6. Step 6: Final answer
    x = 4,082.16

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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.