Home / 8,589.10-12,882.45-2,746.30

Finding the Fourth Proportional to 8,589.10, 12,882.45 and 2,746.30

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Solution

The fourth proportional to 8,589.10, 12,882.45 and 2,746.30 is: 4,119.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,589.10 : 12,882.45 = 2,746.30 : x
  2. Step 2: Convert to fraction form
    8,589.10/12,882.45 = 2,746.30/x
  3. Step 3: Cross multiply
    8,589.10x = 12,882.45 × 2,746.30
  4. Step 4: Simplify right side
    8,589.10x = 35,379,072.44
  5. Step 5: Solve for x
    x = 35,379,072.44/8,589.10
  6. Step 6: Final answer
    x = 4,119.07

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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.