Home / 13,100.14-18,072.85-8,062.84

Finding the Fourth Proportional to 13,100.14, 18,072.85 and 8,062.84

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Solution

The fourth proportional to 13,100.14, 18,072.85 and 8,062.84 is: 11,123.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,100.14 : 18,072.85 = 8,062.84 : x
  2. Step 2: Convert to fraction form
    13,100.14/18,072.85 = 8,062.84/x
  3. Step 3: Cross multiply
    13,100.14x = 18,072.85 × 8,062.84
  4. Step 4: Simplify right side
    13,100.14x = 145,718,367.22
  5. Step 5: Solve for x
    x = 145,718,367.22/13,100.14
  6. Step 6: Final answer
    x = 11,123.42

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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.