Home / 8,199.39-11,313.22-4,664.55

Finding the Fourth Proportional to 8,199.39, 11,313.22 and 4,664.55

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Solution

The fourth proportional to 8,199.39, 11,313.22 and 4,664.55 is: 6,435.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,199.39 : 11,313.22 = 4,664.55 : x
  2. Step 2: Convert to fraction form
    8,199.39/11,313.22 = 4,664.55/x
  3. Step 3: Cross multiply
    8,199.39x = 11,313.22 × 4,664.55
  4. Step 4: Simplify right side
    8,199.39x = 52,771,119.86
  5. Step 5: Solve for x
    x = 52,771,119.86/8,199.39
  6. Step 6: Final answer
    x = 6,435.98

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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.