Home / 11,352.33-15,649.14-8,958.18

Finding the Fourth Proportional to 11,352.33, 15,649.14 and 8,958.18

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Solution

The fourth proportional to 11,352.33, 15,649.14 and 8,958.18 is: 12,348.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,352.33 : 15,649.14 = 8,958.18 : x
  2. Step 2: Convert to fraction form
    11,352.33/15,649.14 = 8,958.18/x
  3. Step 3: Cross multiply
    11,352.33x = 15,649.14 × 8,958.18
  4. Step 4: Simplify right side
    11,352.33x = 140,187,812.97
  5. Step 5: Solve for x
    x = 140,187,812.97/11,352.33
  6. Step 6: Final answer
    x = 12,348.81

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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.