Home / 11,106.21-16,651.08-6,722.67

Finding the Fourth Proportional to 11,106.21, 16,651.08 and 6,722.67

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Solution

The fourth proportional to 11,106.21, 16,651.08 and 6,722.67 is: 10,079.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,106.21 : 16,651.08 = 6,722.67 : x
  2. Step 2: Convert to fraction form
    11,106.21/16,651.08 = 6,722.67/x
  3. Step 3: Cross multiply
    11,106.21x = 16,651.08 × 6,722.67
  4. Step 4: Simplify right side
    11,106.21x = 111,939,715.98
  5. Step 5: Solve for x
    x = 111,939,715.98/11,106.21
  6. Step 6: Final answer
    x = 10,079.02

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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.