Home / 10,213.83-15,318.91-2,717.43

Finding the Fourth Proportional to 10,213.83, 15,318.91 and 2,717.43

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Solution

The fourth proportional to 10,213.83, 15,318.91 and 2,717.43 is: 4,075.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,213.83 : 15,318.91 = 2,717.43 : x
  2. Step 2: Convert to fraction form
    10,213.83/15,318.91 = 2,717.43/x
  3. Step 3: Cross multiply
    10,213.83x = 15,318.91 × 2,717.43
  4. Step 4: Simplify right side
    10,213.83x = 41,628,065.60
  5. Step 5: Solve for x
    x = 41,628,065.60/10,213.83
  6. Step 6: Final answer
    x = 4,075.66

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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.