Home / 8,364.23-12,546.81-3,686.42

Finding the Fourth Proportional to 8,364.23, 12,546.81 and 3,686.42

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Solution

The fourth proportional to 8,364.23, 12,546.81 and 3,686.42 is: 5,529.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,364.23 : 12,546.81 = 3,686.42 : x
  2. Step 2: Convert to fraction form
    8,364.23/12,546.81 = 3,686.42/x
  3. Step 3: Cross multiply
    8,364.23x = 12,546.81 × 3,686.42
  4. Step 4: Simplify right side
    8,364.23x = 46,252,748.59
  5. Step 5: Solve for x
    x = 46,252,748.59/8,364.23
  6. Step 6: Final answer
    x = 5,529.83

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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.