Home / 12,167.20-18,239.46-5,598.64

Finding the Fourth Proportional to 12,167.20, 18,239.46 and 5,598.64

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Solution

The fourth proportional to 12,167.20, 18,239.46 and 5,598.64 is: 8,392.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,167.20 : 18,239.46 = 5,598.64 : x
  2. Step 2: Convert to fraction form
    12,167.20/18,239.46 = 5,598.64/x
  3. Step 3: Cross multiply
    12,167.20x = 18,239.46 × 5,598.64
  4. Step 4: Simplify right side
    12,167.20x = 102,116,170.33
  5. Step 5: Solve for x
    x = 102,116,170.33/12,167.20
  6. Step 6: Final answer
    x = 8,392.74

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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.