Home / 8,170.09-12,256.73-2,623

Finding the Fourth Proportional to 8,170.09, 12,256.73 and 2,623

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Solution

The fourth proportional to 8,170.09, 12,256.73 and 2,623 is: 3,935.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,170.09 : 12,256.73 = 2,623 : x
  2. Step 2: Convert to fraction form
    8,170.09/12,256.73 = 2,623/x
  3. Step 3: Cross multiply
    8,170.09x = 12,256.73 × 2,623
  4. Step 4: Simplify right side
    8,170.09x = 32,149,402.79
  5. Step 5: Solve for x
    x = 32,149,402.79/8,170.09
  6. Step 6: Final answer
    x = 3,935.01

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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.