Home / 7,429.34-11,145.63-2,234.81

Finding the Fourth Proportional to 7,429.34, 11,145.63 and 2,234.81

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Solution

The fourth proportional to 7,429.34, 11,145.63 and 2,234.81 is: 3,352.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,429.34 : 11,145.63 = 2,234.81 : x
  2. Step 2: Convert to fraction form
    7,429.34/11,145.63 = 2,234.81/x
  3. Step 3: Cross multiply
    7,429.34x = 11,145.63 × 2,234.81
  4. Step 4: Simplify right side
    7,429.34x = 24,908,401.62
  5. Step 5: Solve for x
    x = 24,908,401.62/7,429.34
  6. Step 6: Final answer
    x = 3,352.71

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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.