Home / 8,319.45-12,480.95-2,396.28

Finding the Fourth Proportional to 8,319.45, 12,480.95 and 2,396.28

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Solution

The fourth proportional to 8,319.45, 12,480.95 and 2,396.28 is: 3,594.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,319.45 : 12,480.95 = 2,396.28 : x
  2. Step 2: Convert to fraction form
    8,319.45/12,480.95 = 2,396.28/x
  3. Step 3: Cross multiply
    8,319.45x = 12,480.95 × 2,396.28
  4. Step 4: Simplify right side
    8,319.45x = 29,907,838.88
  5. Step 5: Solve for x
    x = 29,907,838.88/8,319.45
  6. Step 6: Final answer
    x = 3,594.93

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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.