Home / 7,632.81-11,449.44-2,705.85

Finding the Fourth Proportional to 7,632.81, 11,449.44 and 2,705.85

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Solution

The fourth proportional to 7,632.81, 11,449.44 and 2,705.85 is: 4,058.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,632.81 : 11,449.44 = 2,705.85 : x
  2. Step 2: Convert to fraction form
    7,632.81/11,449.44 = 2,705.85/x
  3. Step 3: Cross multiply
    7,632.81x = 11,449.44 × 2,705.85
  4. Step 4: Simplify right side
    7,632.81x = 30,980,467.22
  5. Step 5: Solve for x
    x = 30,980,467.22/7,632.81
  6. Step 6: Final answer
    x = 4,058.85

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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.