Home / 8,087.53-12,132.21-3,406.67

Finding the Fourth Proportional to 8,087.53, 12,132.21 and 3,406.67

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Solution

The fourth proportional to 8,087.53, 12,132.21 and 3,406.67 is: 5,110.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,087.53 : 12,132.21 = 3,406.67 : x
  2. Step 2: Convert to fraction form
    8,087.53/12,132.21 = 3,406.67/x
  3. Step 3: Cross multiply
    8,087.53x = 12,132.21 × 3,406.67
  4. Step 4: Simplify right side
    8,087.53x = 41,330,501.69
  5. Step 5: Solve for x
    x = 41,330,501.69/8,087.53
  6. Step 6: Final answer
    x = 5,110.40

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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.