Home / 7,705.72-11,549.22-3,261.67

Finding the Fourth Proportional to 7,705.72, 11,549.22 and 3,261.67

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Solution

The fourth proportional to 7,705.72, 11,549.22 and 3,261.67 is: 4,888.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,705.72 : 11,549.22 = 3,261.67 : x
  2. Step 2: Convert to fraction form
    7,705.72/11,549.22 = 3,261.67/x
  3. Step 3: Cross multiply
    7,705.72x = 11,549.22 × 3,261.67
  4. Step 4: Simplify right side
    7,705.72x = 37,669,717.05
  5. Step 5: Solve for x
    x = 37,669,717.05/7,705.72
  6. Step 6: Final answer
    x = 4,888.54

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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.