Home / 12,072.93-18,104.96-4,173.42

Finding the Fourth Proportional to 12,072.93, 18,104.96 and 4,173.42

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Solution

The fourth proportional to 12,072.93, 18,104.96 and 4,173.42 is: 6,258.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,072.93 : 18,104.96 = 4,173.42 : x
  2. Step 2: Convert to fraction form
    12,072.93/18,104.96 = 4,173.42/x
  3. Step 3: Cross multiply
    12,072.93x = 18,104.96 × 4,173.42
  4. Step 4: Simplify right side
    12,072.93x = 75,559,602.16
  5. Step 5: Solve for x
    x = 75,559,602.16/12,072.93
  6. Step 6: Final answer
    x = 6,258.60

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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.