Home / 17,186.63-25,783.97-5,339.79

Finding the Fourth Proportional to 17,186.63, 25,783.97 and 5,339.79

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Solution

The fourth proportional to 17,186.63, 25,783.97 and 5,339.79 is: 8,010.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,186.63 : 25,783.97 = 5,339.79 : x
  2. Step 2: Convert to fraction form
    17,186.63/25,783.97 = 5,339.79/x
  3. Step 3: Cross multiply
    17,186.63x = 25,783.97 × 5,339.79
  4. Step 4: Simplify right side
    17,186.63x = 137,680,985.17
  5. Step 5: Solve for x
    x = 137,680,985.17/17,186.63
  6. Step 6: Final answer
    x = 8,010.94

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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.