Home / 7,698.96-11,543.83-3,742.43

Finding the Fourth Proportional to 7,698.96, 11,543.83 and 3,742.43

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Solution

The fourth proportional to 7,698.96, 11,543.83 and 3,742.43 is: 5,611.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,698.96 : 11,543.83 = 3,742.43 : x
  2. Step 2: Convert to fraction form
    7,698.96/11,543.83 = 3,742.43/x
  3. Step 3: Cross multiply
    7,698.96x = 11,543.83 × 3,742.43
  4. Step 4: Simplify right side
    7,698.96x = 43,201,975.71
  5. Step 5: Solve for x
    x = 43,201,975.71/7,698.96
  6. Step 6: Final answer
    x = 5,611.40

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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.