Home / 11,933.64-17,894.16-4,140.72

Finding the Fourth Proportional to 11,933.64, 17,894.16 and 4,140.72

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Solution

The fourth proportional to 11,933.64, 17,894.16 and 4,140.72 is: 6,208.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,933.64 : 17,894.16 = 4,140.72 : x
  2. Step 2: Convert to fraction form
    11,933.64/17,894.16 = 4,140.72/x
  3. Step 3: Cross multiply
    11,933.64x = 17,894.16 × 4,140.72
  4. Step 4: Simplify right side
    11,933.64x = 74,094,706.20
  5. Step 5: Solve for x
    x = 74,094,706.20/11,933.64
  6. Step 6: Final answer
    x = 6,208.89

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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.