Home / 12,528.36-18,792.46-3,168.37

Finding the Fourth Proportional to 12,528.36, 18,792.46 and 3,168.37

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Solution

The fourth proportional to 12,528.36, 18,792.46 and 3,168.37 is: 4,752.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,528.36 : 18,792.46 = 3,168.37 : x
  2. Step 2: Convert to fraction form
    12,528.36/18,792.46 = 3,168.37/x
  3. Step 3: Cross multiply
    12,528.36x = 18,792.46 × 3,168.37
  4. Step 4: Simplify right side
    12,528.36x = 59,541,466.49
  5. Step 5: Solve for x
    x = 59,541,466.49/12,528.36
  6. Step 6: Final answer
    x = 4,752.53

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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.