Home / 11,193.84-16,790.09-4,172.49

Finding the Fourth Proportional to 11,193.84, 16,790.09 and 4,172.49

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Solution

The fourth proportional to 11,193.84, 16,790.09 and 4,172.49 is: 6,258.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,193.84 : 16,790.09 = 4,172.49 : x
  2. Step 2: Convert to fraction form
    11,193.84/16,790.09 = 4,172.49/x
  3. Step 3: Cross multiply
    11,193.84x = 16,790.09 × 4,172.49
  4. Step 4: Simplify right side
    11,193.84x = 70,056,461.76
  5. Step 5: Solve for x
    x = 70,056,461.76/11,193.84
  6. Step 6: Final answer
    x = 6,258.48

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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.