Home / 11,765.07-16,230.33-7,513.99

Finding the Fourth Proportional to 11,765.07, 16,230.33 and 7,513.99

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Solution

The fourth proportional to 11,765.07, 16,230.33 and 7,513.99 is: 10,365.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,765.07 : 16,230.33 = 7,513.99 : x
  2. Step 2: Convert to fraction form
    11,765.07/16,230.33 = 7,513.99/x
  3. Step 3: Cross multiply
    11,765.07x = 16,230.33 × 7,513.99
  4. Step 4: Simplify right side
    11,765.07x = 121,954,496.74
  5. Step 5: Solve for x
    x = 121,954,496.74/11,765.07
  6. Step 6: Final answer
    x = 10,365.81

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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.