Home / 8,310.27-12,465.44-2,070.28

Finding the Fourth Proportional to 8,310.27, 12,465.44 and 2,070.28

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Solution

The fourth proportional to 8,310.27, 12,465.44 and 2,070.28 is: 3,105.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,310.27 : 12,465.44 = 2,070.28 : x
  2. Step 2: Convert to fraction form
    8,310.27/12,465.44 = 2,070.28/x
  3. Step 3: Cross multiply
    8,310.27x = 12,465.44 × 2,070.28
  4. Step 4: Simplify right side
    8,310.27x = 25,806,878.44
  5. Step 5: Solve for x
    x = 25,806,878.44/8,310.27
  6. Step 6: Final answer
    x = 3,105.42

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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.