Home / 9,161.42-13,739.32-2,585.84

Finding the Fourth Proportional to 9,161.42, 13,739.32 and 2,585.84

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Solution

The fourth proportional to 9,161.42, 13,739.32 and 2,585.84 is: 3,877.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,161.42 : 13,739.32 = 2,585.84 : x
  2. Step 2: Convert to fraction form
    9,161.42/13,739.32 = 2,585.84/x
  3. Step 3: Cross multiply
    9,161.42x = 13,739.32 × 2,585.84
  4. Step 4: Simplify right side
    9,161.42x = 35,527,683.23
  5. Step 5: Solve for x
    x = 35,527,683.23/9,161.42
  6. Step 6: Final answer
    x = 3,877.97

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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.