Home / 10,958.26-15,122.38-5,990.26

Finding the Fourth Proportional to 10,958.26, 15,122.38 and 5,990.26

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Solution

The fourth proportional to 10,958.26, 15,122.38 and 5,990.26 is: 8,266.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,958.26 : 15,122.38 = 5,990.26 : x
  2. Step 2: Convert to fraction form
    10,958.26/15,122.38 = 5,990.26/x
  3. Step 3: Cross multiply
    10,958.26x = 15,122.38 × 5,990.26
  4. Step 4: Simplify right side
    10,958.26x = 90,586,988.02
  5. Step 5: Solve for x
    x = 90,586,988.02/10,958.26
  6. Step 6: Final answer
    x = 8,266.55

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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.