Home / 8,143.95-12,232.32-4,863.45

Finding the Fourth Proportional to 8,143.95, 12,232.32 and 4,863.45

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Solution

The fourth proportional to 8,143.95, 12,232.32 and 4,863.45 is: 7,304.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,143.95 : 12,232.32 = 4,863.45 : x
  2. Step 2: Convert to fraction form
    8,143.95/12,232.32 = 4,863.45/x
  3. Step 3: Cross multiply
    8,143.95x = 12,232.32 × 4,863.45
  4. Step 4: Simplify right side
    8,143.95x = 59,491,276.70
  5. Step 5: Solve for x
    x = 59,491,276.70/8,143.95
  6. Step 6: Final answer
    x = 7,304.97

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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.