Home / 10,213.45-15,318.35-2,717.06

Finding the Fourth Proportional to 10,213.45, 15,318.35 and 2,717.06

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Solution

The fourth proportional to 10,213.45, 15,318.35 and 2,717.06 is: 4,075.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,213.45 : 15,318.35 = 2,717.06 : x
  2. Step 2: Convert to fraction form
    10,213.45/15,318.35 = 2,717.06/x
  3. Step 3: Cross multiply
    10,213.45x = 15,318.35 × 2,717.06
  4. Step 4: Simplify right side
    10,213.45x = 41,620,785.87
  5. Step 5: Solve for x
    x = 41,620,785.87/10,213.45
  6. Step 6: Final answer
    x = 4,075.10

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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.