Home / 7,213.26-9,954.30-4,069.46

Finding the Fourth Proportional to 7,213.26, 9,954.30 and 4,069.46

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Solution

The fourth proportional to 7,213.26, 9,954.30 and 4,069.46 is: 5,615.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,213.26 : 9,954.30 = 4,069.46 : x
  2. Step 2: Convert to fraction form
    7,213.26/9,954.30 = 4,069.46/x
  3. Step 3: Cross multiply
    7,213.26x = 9,954.30 × 4,069.46
  4. Step 4: Simplify right side
    7,213.26x = 40,508,575.91
  5. Step 5: Solve for x
    x = 40,508,575.91/7,213.26
  6. Step 6: Final answer
    x = 5,615.85

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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.