Home / 12,483.56-18,725.34-5,086.38

Finding the Fourth Proportional to 12,483.56, 18,725.34 and 5,086.38

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Solution

The fourth proportional to 12,483.56, 18,725.34 and 5,086.38 is: 7,629.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,483.56 : 18,725.34 = 5,086.38 : x
  2. Step 2: Convert to fraction form
    12,483.56/18,725.34 = 5,086.38/x
  3. Step 3: Cross multiply
    12,483.56x = 18,725.34 × 5,086.38
  4. Step 4: Simplify right side
    12,483.56x = 95,244,194.87
  5. Step 5: Solve for x
    x = 95,244,194.87/12,483.56
  6. Step 6: Final answer
    x = 7,629.57

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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.