Home / 8,179.58-12,271.50-2,336.65

Finding the Fourth Proportional to 8,179.58, 12,271.50 and 2,336.65

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Solution

The fourth proportional to 8,179.58, 12,271.50 and 2,336.65 is: 3,505.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,179.58 : 12,271.50 = 2,336.65 : x
  2. Step 2: Convert to fraction form
    8,179.58/12,271.50 = 2,336.65/x
  3. Step 3: Cross multiply
    8,179.58x = 12,271.50 × 2,336.65
  4. Step 4: Simplify right side
    8,179.58x = 28,674,169.80
  5. Step 5: Solve for x
    x = 28,674,169.80/8,179.58
  6. Step 6: Final answer
    x = 3,505.58

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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.