Home / 10,148.36-15,219.66-3,222.68

Finding the Fourth Proportional to 10,148.36, 15,219.66 and 3,222.68

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Solution

The fourth proportional to 10,148.36, 15,219.66 and 3,222.68 is: 4,833.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,148.36 : 15,219.66 = 3,222.68 : x
  2. Step 2: Convert to fraction form
    10,148.36/15,219.66 = 3,222.68/x
  3. Step 3: Cross multiply
    10,148.36x = 15,219.66 × 3,222.68
  4. Step 4: Simplify right side
    10,148.36x = 49,048,093.89
  5. Step 5: Solve for x
    x = 49,048,093.89/10,148.36
  6. Step 6: Final answer
    x = 4,833.11

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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.