Home / 8,634.15-12,951.23-3,443.67

Finding the Fourth Proportional to 8,634.15, 12,951.23 and 3,443.67

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Solution

The fourth proportional to 8,634.15, 12,951.23 and 3,443.67 is: 5,165.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,634.15 : 12,951.23 = 3,443.67 : x
  2. Step 2: Convert to fraction form
    8,634.15/12,951.23 = 3,443.67/x
  3. Step 3: Cross multiply
    8,634.15x = 12,951.23 × 3,443.67
  4. Step 4: Simplify right side
    8,634.15x = 44,599,680.24
  5. Step 5: Solve for x
    x = 44,599,680.24/8,634.15
  6. Step 6: Final answer
    x = 5,165.50

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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.