Home / 12,069.50-18,108.23-4,674.02

Finding the Fourth Proportional to 12,069.50, 18,108.23 and 4,674.02

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Solution

The fourth proportional to 12,069.50, 18,108.23 and 4,674.02 is: 7,012.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,069.50 : 18,108.23 = 4,674.02 : x
  2. Step 2: Convert to fraction form
    12,069.50/18,108.23 = 4,674.02/x
  3. Step 3: Cross multiply
    12,069.50x = 18,108.23 × 4,674.02
  4. Step 4: Simplify right side
    12,069.50x = 84,638,115.27
  5. Step 5: Solve for x
    x = 84,638,115.27/12,069.50
  6. Step 6: Final answer
    x = 7,012.56

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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.