Home / 13,317.26-18,377.77-7,348.87

Finding the Fourth Proportional to 13,317.26, 18,377.77 and 7,348.87

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Solution

The fourth proportional to 13,317.26, 18,377.77 and 7,348.87 is: 10,141.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,317.26 : 18,377.77 = 7,348.87 : x
  2. Step 2: Convert to fraction form
    13,317.26/18,377.77 = 7,348.87/x
  3. Step 3: Cross multiply
    13,317.26x = 18,377.77 × 7,348.87
  4. Step 4: Simplify right side
    13,317.26x = 135,055,805.88
  5. Step 5: Solve for x
    x = 135,055,805.88/13,317.26
  6. Step 6: Final answer
    x = 10,141.41

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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.