Home / 34,087.12-51,138.88-10,713.54

Finding the Fourth Proportional to 34,087.12, 51,138.88 and 10,713.54

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Solution

The fourth proportional to 34,087.12, 51,138.88 and 10,713.54 is: 16,072.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,087.12 : 51,138.88 = 10,713.54 : x
  2. Step 2: Convert to fraction form
    34,087.12/51,138.88 = 10,713.54/x
  3. Step 3: Cross multiply
    34,087.12x = 51,138.88 × 10,713.54
  4. Step 4: Simplify right side
    34,087.12x = 547,878,436.44
  5. Step 5: Solve for x
    x = 547,878,436.44/34,087.12
  6. Step 6: Final answer
    x = 16,072.89

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1.5x scale

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.