Home / 6,115.12-9,167.04-2,218.48

Finding the Fourth Proportional to 6,115.12, 9,167.04 and 2,218.48

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Solution

The fourth proportional to 6,115.12, 9,167.04 and 2,218.48 is: 3,325.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,115.12 : 9,167.04 = 2,218.48 : x
  2. Step 2: Convert to fraction form
    6,115.12/9,167.04 = 2,218.48/x
  3. Step 3: Cross multiply
    6,115.12x = 9,167.04 × 2,218.48
  4. Step 4: Simplify right side
    6,115.12x = 20,336,894.90
  5. Step 5: Solve for x
    x = 20,336,894.90/6,115.12
  6. Step 6: Final answer
    x = 3,325.67

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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.