Home / 11,717.84-17,579.40-3,713.10

Finding the Fourth Proportional to 11,717.84, 17,579.40 and 3,713.10

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Solution

The fourth proportional to 11,717.84, 17,579.40 and 3,713.10 is: 5,570.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,717.84 : 17,579.40 = 3,713.10 : x
  2. Step 2: Convert to fraction form
    11,717.84/17,579.40 = 3,713.10/x
  3. Step 3: Cross multiply
    11,717.84x = 17,579.40 × 3,713.10
  4. Step 4: Simplify right side
    11,717.84x = 65,274,011.18
  5. Step 5: Solve for x
    x = 65,274,011.18/11,717.84
  6. Step 6: Final answer
    x = 5,570.48

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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.