Home / 12,250.44-18,373.23-3,485.43

Finding the Fourth Proportional to 12,250.44, 18,373.23 and 3,485.43

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Solution

The fourth proportional to 12,250.44, 18,373.23 and 3,485.43 is: 5,227.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,250.44 : 18,373.23 = 3,485.43 : x
  2. Step 2: Convert to fraction form
    12,250.44/18,373.23 = 3,485.43/x
  3. Step 3: Cross multiply
    12,250.44x = 18,373.23 × 3,485.43
  4. Step 4: Simplify right side
    12,250.44x = 64,038,607.04
  5. Step 5: Solve for x
    x = 64,038,607.04/12,250.44
  6. Step 6: Final answer
    x = 5,227.45

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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.