Home / 8,451.37-12,650.48-5,803.39

Finding the Fourth Proportional to 8,451.37, 12,650.48 and 5,803.39

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Solution

The fourth proportional to 8,451.37, 12,650.48 and 5,803.39 is: 8,686.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,451.37 : 12,650.48 = 5,803.39 : x
  2. Step 2: Convert to fraction form
    8,451.37/12,650.48 = 5,803.39/x
  3. Step 3: Cross multiply
    8,451.37x = 12,650.48 × 5,803.39
  4. Step 4: Simplify right side
    8,451.37x = 73,415,576.86
  5. Step 5: Solve for x
    x = 73,415,576.86/8,451.37
  6. Step 6: Final answer
    x = 8,686.83

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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.