Home / 12,483.45-18,724.82-5,086.08

Finding the Fourth Proportional to 12,483.45, 18,724.82 and 5,086.08

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Solution

The fourth proportional to 12,483.45, 18,724.82 and 5,086.08 is: 7,628.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,483.45 : 18,724.82 = 5,086.08 : x
  2. Step 2: Convert to fraction form
    12,483.45/18,724.82 = 5,086.08/x
  3. Step 3: Cross multiply
    12,483.45x = 18,724.82 × 5,086.08
  4. Step 4: Simplify right side
    12,483.45x = 95,235,907.08
  5. Step 5: Solve for x
    x = 95,235,907.08/12,483.45
  6. Step 6: Final answer
    x = 7,628.97

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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.