Home / 8,098.19-12,119.74-4,976.55

Finding the Fourth Proportional to 8,098.19, 12,119.74 and 4,976.55

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Solution

The fourth proportional to 8,098.19, 12,119.74 and 4,976.55 is: 7,447.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,098.19 : 12,119.74 = 4,976.55 : x
  2. Step 2: Convert to fraction form
    8,098.19/12,119.74 = 4,976.55/x
  3. Step 3: Cross multiply
    8,098.19x = 12,119.74 × 4,976.55
  4. Step 4: Simplify right side
    8,098.19x = 60,314,479.66
  5. Step 5: Solve for x
    x = 60,314,479.66/8,098.19
  6. Step 6: Final answer
    x = 7,447.90

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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.