Home / 13,310.45-18,374.33-8,597.03

Finding the Fourth Proportional to 13,310.45, 18,374.33 and 8,597.03

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Solution

The fourth proportional to 13,310.45, 18,374.33 and 8,597.03 is: 11,867.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,310.45 : 18,374.33 = 8,597.03 : x
  2. Step 2: Convert to fraction form
    13,310.45/18,374.33 = 8,597.03/x
  3. Step 3: Cross multiply
    13,310.45x = 18,374.33 × 8,597.03
  4. Step 4: Simplify right side
    13,310.45x = 157,964,623.25
  5. Step 5: Solve for x
    x = 157,964,623.25/13,310.45
  6. Step 6: Final answer
    x = 11,867.71

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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.