Home / 9,148.12-13,722.21-2,222.62

Finding the Fourth Proportional to 9,148.12, 13,722.21 and 2,222.62

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Solution

The fourth proportional to 9,148.12, 13,722.21 and 2,222.62 is: 3,333.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,148.12 : 13,722.21 = 2,222.62 : x
  2. Step 2: Convert to fraction form
    9,148.12/13,722.21 = 2,222.62/x
  3. Step 3: Cross multiply
    9,148.12x = 13,722.21 × 2,222.62
  4. Step 4: Simplify right side
    9,148.12x = 30,499,224.08
  5. Step 5: Solve for x
    x = 30,499,224.08/9,148.12
  6. Step 6: Final answer
    x = 3,333.93

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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.