Home / 10,099.14-13,936.21-5,622.67

Finding the Fourth Proportional to 10,099.14, 13,936.21 and 5,622.67

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Solution

The fourth proportional to 10,099.14, 13,936.21 and 5,622.67 is: 7,758.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,099.14 : 13,936.21 = 5,622.67 : x
  2. Step 2: Convert to fraction form
    10,099.14/13,936.21 = 5,622.67/x
  3. Step 3: Cross multiply
    10,099.14x = 13,936.21 × 5,622.67
  4. Step 4: Simplify right side
    10,099.14x = 78,358,709.88
  5. Step 5: Solve for x
    x = 78,358,709.88/10,099.14
  6. Step 6: Final answer
    x = 7,758.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.