Home / 8,115.95-12,173.69-4,441.46

Finding the Fourth Proportional to 8,115.95, 12,173.69 and 4,441.46

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Solution

The fourth proportional to 8,115.95, 12,173.69 and 4,441.46 is: 6,662.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,115.95 : 12,173.69 = 4,441.46 : x
  2. Step 2: Convert to fraction form
    8,115.95/12,173.69 = 4,441.46/x
  3. Step 3: Cross multiply
    8,115.95x = 12,173.69 × 4,441.46
  4. Step 4: Simplify right side
    8,115.95x = 54,068,907.42
  5. Step 5: Solve for x
    x = 54,068,907.42/8,115.95
  6. Step 6: Final answer
    x = 6,662.05

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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.