Home / 8,149.05-11,245.23-4,612.32

Finding the Fourth Proportional to 8,149.05, 11,245.23 and 4,612.32

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Solution

The fourth proportional to 8,149.05, 11,245.23 and 4,612.32 is: 6,364.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,149.05 : 11,245.23 = 4,612.32 : x
  2. Step 2: Convert to fraction form
    8,149.05/11,245.23 = 4,612.32/x
  3. Step 3: Cross multiply
    8,149.05x = 11,245.23 × 4,612.32
  4. Step 4: Simplify right side
    8,149.05x = 51,866,599.23
  5. Step 5: Solve for x
    x = 51,866,599.23/8,149.05
  6. Step 6: Final answer
    x = 6,364.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.