Home / 8,106.22-12,149.10-4,400.67

Finding the Fourth Proportional to 8,106.22, 12,149.10 and 4,400.67

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Solution

The fourth proportional to 8,106.22, 12,149.10 and 4,400.67 is: 6,595.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,106.22 : 12,149.10 = 4,400.67 : x
  2. Step 2: Convert to fraction form
    8,106.22/12,149.10 = 4,400.67/x
  3. Step 3: Cross multiply
    8,106.22x = 12,149.10 × 4,400.67
  4. Step 4: Simplify right side
    8,106.22x = 53,464,179.90
  5. Step 5: Solve for x
    x = 53,464,179.90/8,106.22
  6. Step 6: Final answer
    x = 6,595.45

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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.