Home / 8,011.83-12,014.52-3,328.65

Finding the Fourth Proportional to 8,011.83, 12,014.52 and 3,328.65

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Solution

The fourth proportional to 8,011.83, 12,014.52 and 3,328.65 is: 4,991.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,011.83 : 12,014.52 = 3,328.65 : x
  2. Step 2: Convert to fraction form
    8,011.83/12,014.52 = 3,328.65/x
  3. Step 3: Cross multiply
    8,011.83x = 12,014.52 × 3,328.65
  4. Step 4: Simplify right side
    8,011.83x = 39,992,132.00
  5. Step 5: Solve for x
    x = 39,992,132.00/8,011.83
  6. Step 6: Final answer
    x = 4,991.64

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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.