Home / 13,310.35-18,367.92-7,341.62

Finding the Fourth Proportional to 13,310.35, 18,367.92 and 7,341.62

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Solution

The fourth proportional to 13,310.35, 18,367.92 and 7,341.62 is: 10,131.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,310.35 : 18,367.92 = 7,341.62 : x
  2. Step 2: Convert to fraction form
    13,310.35/18,367.92 = 7,341.62/x
  3. Step 3: Cross multiply
    13,310.35x = 18,367.92 × 7,341.62
  4. Step 4: Simplify right side
    13,310.35x = 134,850,196.99
  5. Step 5: Solve for x
    x = 134,850,196.99/13,310.35
  6. Step 6: Final answer
    x = 10,131.23

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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.