Home / 10,958.54-15,119.08-6,239.48

Finding the Fourth Proportional to 10,958.54, 15,119.08 and 6,239.48

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Solution

The fourth proportional to 10,958.54, 15,119.08 and 6,239.48 is: 8,608.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,958.54 : 15,119.08 = 6,239.48 : x
  2. Step 2: Convert to fraction form
    10,958.54/15,119.08 = 6,239.48/x
  3. Step 3: Cross multiply
    10,958.54x = 15,119.08 × 6,239.48
  4. Step 4: Simplify right side
    10,958.54x = 94,335,121.68
  5. Step 5: Solve for x
    x = 94,335,121.68/10,958.54
  6. Step 6: Final answer
    x = 8,608.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.