Home / 8,144.91-12,193.58-5,015.52

Finding the Fourth Proportional to 8,144.91, 12,193.58 and 5,015.52

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Solution

The fourth proportional to 8,144.91, 12,193.58 and 5,015.52 is: 7,508.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,144.91 : 12,193.58 = 5,015.52 : x
  2. Step 2: Convert to fraction form
    8,144.91/12,193.58 = 5,015.52/x
  3. Step 3: Cross multiply
    8,144.91x = 12,193.58 × 5,015.52
  4. Step 4: Simplify right side
    8,144.91x = 61,157,119.28
  5. Step 5: Solve for x
    x = 61,157,119.28/8,144.91
  6. Step 6: Final answer
    x = 7,508.63

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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.