Home / 8,059.12-12,079.96-3,381.67

Finding the Fourth Proportional to 8,059.12, 12,079.96 and 3,381.67

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Solution

The fourth proportional to 8,059.12, 12,079.96 and 3,381.67 is: 5,068.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,059.12 : 12,079.96 = 3,381.67 : x
  2. Step 2: Convert to fraction form
    8,059.12/12,079.96 = 3,381.67/x
  3. Step 3: Cross multiply
    8,059.12x = 12,079.96 × 3,381.67
  4. Step 4: Simplify right side
    8,059.12x = 40,850,399.68
  5. Step 5: Solve for x
    x = 40,850,399.68/8,059.12
  6. Step 6: Final answer
    x = 5,068.84

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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.