Home / 12,376.11-17,072.80-8,841.37

Finding the Fourth Proportional to 12,376.11, 17,072.80 and 8,841.37

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Solution

The fourth proportional to 12,376.11, 17,072.80 and 8,841.37 is: 12,196.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,376.11 : 17,072.80 = 8,841.37 : x
  2. Step 2: Convert to fraction form
    12,376.11/17,072.80 = 8,841.37/x
  3. Step 3: Cross multiply
    12,376.11x = 17,072.80 × 8,841.37
  4. Step 4: Simplify right side
    12,376.11x = 150,946,897.53
  5. Step 5: Solve for x
    x = 150,946,897.53/12,376.11
  6. Step 6: Final answer
    x = 12,196.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.