Home / 12,100.40-18,147.35-3,333.23

Finding the Fourth Proportional to 12,100.40, 18,147.35 and 3,333.23

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Solution

The fourth proportional to 12,100.40, 18,147.35 and 3,333.23 is: 4,998.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,100.40 : 18,147.35 = 3,333.23 : x
  2. Step 2: Convert to fraction form
    12,100.40/18,147.35 = 3,333.23/x
  3. Step 3: Cross multiply
    12,100.40x = 18,147.35 × 3,333.23
  4. Step 4: Simplify right side
    12,100.40x = 60,489,184.04
  5. Step 5: Solve for x
    x = 60,489,184.04/12,100.40
  6. Step 6: Final answer
    x = 4,998.94

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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.