Home / 12,299.95-18,450.83-3,534.94

Finding the Fourth Proportional to 12,299.95, 18,450.83 and 3,534.94

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Solution

The fourth proportional to 12,299.95, 18,450.83 and 3,534.94 is: 5,302.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,299.95 : 18,450.83 = 3,534.94 : x
  2. Step 2: Convert to fraction form
    12,299.95/18,450.83 = 3,534.94/x
  3. Step 3: Cross multiply
    12,299.95x = 18,450.83 × 3,534.94
  4. Step 4: Simplify right side
    12,299.95x = 65,222,577.00
  5. Step 5: Solve for x
    x = 65,222,577.00/12,299.95
  6. Step 6: Final answer
    x = 5,302.67

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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.