Home / 12,733.68-19,100.60-3,968.40

Finding the Fourth Proportional to 12,733.68, 19,100.60 and 3,968.40

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Solution

The fourth proportional to 12,733.68, 19,100.60 and 3,968.40 is: 5,952.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,733.68 : 19,100.60 = 3,968.40 : x
  2. Step 2: Convert to fraction form
    12,733.68/19,100.60 = 3,968.40/x
  3. Step 3: Cross multiply
    12,733.68x = 19,100.60 × 3,968.40
  4. Step 4: Simplify right side
    12,733.68x = 75,798,821.04
  5. Step 5: Solve for x
    x = 75,798,821.04/12,733.68
  6. Step 6: Final answer
    x = 5,952.62

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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.