Home / 12,197.56-18,295.26-3,312.56

Finding the Fourth Proportional to 12,197.56, 18,295.26 and 3,312.56

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Solution

The fourth proportional to 12,197.56, 18,295.26 and 3,312.56 is: 4,968.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,197.56 : 18,295.26 = 3,312.56 : x
  2. Step 2: Convert to fraction form
    12,197.56/18,295.26 = 3,312.56/x
  3. Step 3: Cross multiply
    12,197.56x = 18,295.26 × 3,312.56
  4. Step 4: Simplify right side
    12,197.56x = 60,604,146.47
  5. Step 5: Solve for x
    x = 60,604,146.47/12,197.56
  6. Step 6: Final answer
    x = 4,968.55

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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.