Home / 8,694.89-13,042.43-2,455.05

Finding the Fourth Proportional to 8,694.89, 13,042.43 and 2,455.05

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Solution

The fourth proportional to 8,694.89, 13,042.43 and 2,455.05 is: 3,682.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,694.89 : 13,042.43 = 2,455.05 : x
  2. Step 2: Convert to fraction form
    8,694.89/13,042.43 = 2,455.05/x
  3. Step 3: Cross multiply
    8,694.89x = 13,042.43 × 2,455.05
  4. Step 4: Simplify right side
    8,694.89x = 32,019,823.91
  5. Step 5: Solve for x
    x = 32,019,823.91/8,694.89
  6. Step 6: Final answer
    x = 3,682.60

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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.