Home / 7,416.48-11,124.78-2,486.51

Finding the Fourth Proportional to 7,416.48, 11,124.78 and 2,486.51

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Solution

The fourth proportional to 7,416.48, 11,124.78 and 2,486.51 is: 3,729.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,416.48 : 11,124.78 = 2,486.51 : x
  2. Step 2: Convert to fraction form
    7,416.48/11,124.78 = 2,486.51/x
  3. Step 3: Cross multiply
    7,416.48x = 11,124.78 × 2,486.51
  4. Step 4: Simplify right side
    7,416.48x = 27,661,821.09
  5. Step 5: Solve for x
    x = 27,661,821.09/7,416.48
  6. Step 6: Final answer
    x = 3,729.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.