Home / 10,106.46-15,161.91-3,087.06

Finding the Fourth Proportional to 10,106.46, 15,161.91 and 3,087.06

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Solution

The fourth proportional to 10,106.46, 15,161.91 and 3,087.06 is: 4,631.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,106.46 : 15,161.91 = 3,087.06 : x
  2. Step 2: Convert to fraction form
    10,106.46/15,161.91 = 3,087.06/x
  3. Step 3: Cross multiply
    10,106.46x = 15,161.91 × 3,087.06
  4. Step 4: Simplify right side
    10,106.46x = 46,805,725.88
  5. Step 5: Solve for x
    x = 46,805,725.88/10,106.46
  6. Step 6: Final answer
    x = 4,631.27

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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.