Home / 7,448.84-11,174.48-2,518.77

Finding the Fourth Proportional to 7,448.84, 11,174.48 and 2,518.77

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Solution

The fourth proportional to 7,448.84, 11,174.48 and 2,518.77 is: 3,778.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,448.84 : 11,174.48 = 2,518.77 : x
  2. Step 2: Convert to fraction form
    7,448.84/11,174.48 = 2,518.77/x
  3. Step 3: Cross multiply
    7,448.84x = 11,174.48 × 2,518.77
  4. Step 4: Simplify right side
    7,448.84x = 28,145,932.40
  5. Step 5: Solve for x
    x = 28,145,932.40/7,448.84
  6. Step 6: Final answer
    x = 3,778.57

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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.