Home / 8,193.12-12,295.95-4,247.61

Finding the Fourth Proportional to 8,193.12, 12,295.95 and 4,247.61

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Solution

The fourth proportional to 8,193.12, 12,295.95 and 4,247.61 is: 6,374.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,193.12 : 12,295.95 = 4,247.61 : x
  2. Step 2: Convert to fraction form
    8,193.12/12,295.95 = 4,247.61/x
  3. Step 3: Cross multiply
    8,193.12x = 12,295.95 × 4,247.61
  4. Step 4: Simplify right side
    8,193.12x = 52,228,400.18
  5. Step 5: Solve for x
    x = 52,228,400.18/8,193.12
  6. Step 6: Final answer
    x = 6,374.67

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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.