Home / 11,937.16-17,904.52-3,172.96

Finding the Fourth Proportional to 11,937.16, 17,904.52 and 3,172.96

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Solution

The fourth proportional to 11,937.16, 17,904.52 and 3,172.96 is: 4,759.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,937.16 : 17,904.52 = 3,172.96 : x
  2. Step 2: Convert to fraction form
    11,937.16/17,904.52 = 3,172.96/x
  3. Step 3: Cross multiply
    11,937.16x = 17,904.52 × 3,172.96
  4. Step 4: Simplify right side
    11,937.16x = 56,810,325.78
  5. Step 5: Solve for x
    x = 56,810,325.78/11,937.16
  6. Step 6: Final answer
    x = 4,759.12

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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.