Home / 12,334.55-18,501.21-4,542.75

Finding the Fourth Proportional to 12,334.55, 18,501.21 and 4,542.75

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Solution

The fourth proportional to 12,334.55, 18,501.21 and 4,542.75 is: 6,813.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,334.55 : 18,501.21 = 4,542.75 : x
  2. Step 2: Convert to fraction form
    12,334.55/18,501.21 = 4,542.75/x
  3. Step 3: Cross multiply
    12,334.55x = 18,501.21 × 4,542.75
  4. Step 4: Simplify right side
    12,334.55x = 84,046,371.73
  5. Step 5: Solve for x
    x = 84,046,371.73/12,334.55
  6. Step 6: Final answer
    x = 6,813.90

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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.