Home / 10,331.75-15,498.59-3,311.97

Finding the Fourth Proportional to 10,331.75, 15,498.59 and 3,311.97

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Solution

The fourth proportional to 10,331.75, 15,498.59 and 3,311.97 is: 4,968.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,331.75 : 15,498.59 = 3,311.97 : x
  2. Step 2: Convert to fraction form
    10,331.75/15,498.59 = 3,311.97/x
  3. Step 3: Cross multiply
    10,331.75x = 15,498.59 × 3,311.97
  4. Step 4: Simplify right side
    10,331.75x = 51,330,865.12
  5. Step 5: Solve for x
    x = 51,330,865.12/10,331.75
  6. Step 6: Final answer
    x = 4,968.26

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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.