Home / 7,108.23-10,663.70-3,212.63

Finding the Fourth Proportional to 7,108.23, 10,663.70 and 3,212.63

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Solution

The fourth proportional to 7,108.23, 10,663.70 and 3,212.63 is: 4,819.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,108.23 : 10,663.70 = 3,212.63 : x
  2. Step 2: Convert to fraction form
    7,108.23/10,663.70 = 3,212.63/x
  3. Step 3: Cross multiply
    7,108.23x = 10,663.70 × 3,212.63
  4. Step 4: Simplify right side
    7,108.23x = 34,258,453.15
  5. Step 5: Solve for x
    x = 34,258,453.15/7,108.23
  6. Step 6: Final answer
    x = 4,819.55

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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.