Home / 11,450.70-15,811.10-7,626.07

Finding the Fourth Proportional to 11,450.70, 15,811.10 and 7,626.07

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Solution

The fourth proportional to 11,450.70, 15,811.10 and 7,626.07 is: 10,530.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,450.70 : 15,811.10 = 7,626.07 : x
  2. Step 2: Convert to fraction form
    11,450.70/15,811.10 = 7,626.07/x
  3. Step 3: Cross multiply
    11,450.70x = 15,811.10 × 7,626.07
  4. Step 4: Simplify right side
    11,450.70x = 120,576,555.38
  5. Step 5: Solve for x
    x = 120,576,555.38/11,450.70
  6. Step 6: Final answer
    x = 10,530.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.