Home / 9,212.98-13,819.34-5,516.23

Finding the Fourth Proportional to 9,212.98, 13,819.34 and 5,516.23

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Solution

The fourth proportional to 9,212.98, 13,819.34 and 5,516.23 is: 8,274.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,212.98 : 13,819.34 = 5,516.23 : x
  2. Step 2: Convert to fraction form
    9,212.98/13,819.34 = 5,516.23/x
  3. Step 3: Cross multiply
    9,212.98x = 13,819.34 × 5,516.23
  4. Step 4: Simplify right side
    9,212.98x = 76,230,561.21
  5. Step 5: Solve for x
    x = 76,230,561.21/9,212.98
  6. Step 6: Final answer
    x = 8,274.26

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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.