Home / 8,436.44-12,650.20-4,219.04

Finding the Fourth Proportional to 8,436.44, 12,650.20 and 4,219.04

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Solution

The fourth proportional to 8,436.44, 12,650.20 and 4,219.04 is: 6,326.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,436.44 : 12,650.20 = 4,219.04 : x
  2. Step 2: Convert to fraction form
    8,436.44/12,650.20 = 4,219.04/x
  3. Step 3: Cross multiply
    8,436.44x = 12,650.20 × 4,219.04
  4. Step 4: Simplify right side
    8,436.44x = 53,371,699.81
  5. Step 5: Solve for x
    x = 53,371,699.81/8,436.44
  6. Step 6: Final answer
    x = 6,326.33

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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.