Home / 9,361.08-14,040-3,120.48

Finding the Fourth Proportional to 9,361.08, 14,040 and 3,120.48

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Solution

The fourth proportional to 9,361.08, 14,040 and 3,120.48 is: 4,680.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,361.08 : 14,040 = 3,120.48 : x
  2. Step 2: Convert to fraction form
    9,361.08/14,040 = 3,120.48/x
  3. Step 3: Cross multiply
    9,361.08x = 14,040 × 3,120.48
  4. Step 4: Simplify right side
    9,361.08x = 43,811,539.20
  5. Step 5: Solve for x
    x = 43,811,539.20/9,361.08
  6. Step 6: Final answer
    x = 4,680.18

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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.