Home / 8,301.80-12,453.06-3,863.63

Finding the Fourth Proportional to 8,301.80, 12,453.06 and 3,863.63

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Solution

The fourth proportional to 8,301.80, 12,453.06 and 3,863.63 is: 5,795.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,301.80 : 12,453.06 = 3,863.63 : x
  2. Step 2: Convert to fraction form
    8,301.80/12,453.06 = 3,863.63/x
  3. Step 3: Cross multiply
    8,301.80x = 12,453.06 × 3,863.63
  4. Step 4: Simplify right side
    8,301.80x = 48,114,016.21
  5. Step 5: Solve for x
    x = 48,114,016.21/8,301.80
  6. Step 6: Final answer
    x = 5,795.61

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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.