Home / 7,584.24-11,416.68-5,408.04

Finding the Fourth Proportional to 7,584.24, 11,416.68 and 5,408.04

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Solution

The fourth proportional to 7,584.24, 11,416.68 and 5,408.04 is: 8,140.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,584.24 : 11,416.68 = 5,408.04 : x
  2. Step 2: Convert to fraction form
    7,584.24/11,416.68 = 5,408.04/x
  3. Step 3: Cross multiply
    7,584.24x = 11,416.68 × 5,408.04
  4. Step 4: Simplify right side
    7,584.24x = 61,741,862.11
  5. Step 5: Solve for x
    x = 61,741,862.11/7,584.24
  6. Step 6: Final answer
    x = 8,140.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.