Home / 7,609.53-11,417.94-3,450.81

Finding the Fourth Proportional to 7,609.53, 11,417.94 and 3,450.81

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Solution

The fourth proportional to 7,609.53, 11,417.94 and 3,450.81 is: 5,177.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,609.53 : 11,417.94 = 3,450.81 : x
  2. Step 2: Convert to fraction form
    7,609.53/11,417.94 = 3,450.81/x
  3. Step 3: Cross multiply
    7,609.53x = 11,417.94 × 3,450.81
  4. Step 4: Simplify right side
    7,609.53x = 39,401,141.53
  5. Step 5: Solve for x
    x = 39,401,141.53/7,609.53
  6. Step 6: Final answer
    x = 5,177.87

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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.