Home / 8,176.08-12,252.60-4,278.48

Finding the Fourth Proportional to 8,176.08, 12,252.60 and 4,278.48

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Solution

The fourth proportional to 8,176.08, 12,252.60 and 4,278.48 is: 6,411.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,176.08 : 12,252.60 = 4,278.48 : x
  2. Step 2: Convert to fraction form
    8,176.08/12,252.60 = 4,278.48/x
  3. Step 3: Cross multiply
    8,176.08x = 12,252.60 × 4,278.48
  4. Step 4: Simplify right side
    8,176.08x = 52,422,504.05
  5. Step 5: Solve for x
    x = 52,422,504.05/8,176.08
  6. Step 6: Final answer
    x = 6,411.69

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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.