Home / 13,360.26-18,436.53-7,310.37

Finding the Fourth Proportional to 13,360.26, 18,436.53 and 7,310.37

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Solution

The fourth proportional to 13,360.26, 18,436.53 and 7,310.37 is: 10,087.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,360.26 : 18,436.53 = 7,310.37 : x
  2. Step 2: Convert to fraction form
    13,360.26/18,436.53 = 7,310.37/x
  3. Step 3: Cross multiply
    13,360.26x = 18,436.53 × 7,310.37
  4. Step 4: Simplify right side
    13,360.26x = 134,777,855.82
  5. Step 5: Solve for x
    x = 134,777,855.82/13,360.26
  6. Step 6: Final answer
    x = 10,087.97

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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.