Home / 8,380.20-11,564.22-5,021.04

Finding the Fourth Proportional to 8,380.20, 11,564.22 and 5,021.04

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Solution

The fourth proportional to 8,380.20, 11,564.22 and 5,021.04 is: 6,928.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,380.20 : 11,564.22 = 5,021.04 : x
  2. Step 2: Convert to fraction form
    8,380.20/11,564.22 = 5,021.04/x
  3. Step 3: Cross multiply
    8,380.20x = 11,564.22 × 5,021.04
  4. Step 4: Simplify right side
    8,380.20x = 58,064,411.19
  5. Step 5: Solve for x
    x = 58,064,411.19/8,380.20
  6. Step 6: Final answer
    x = 6,928.76

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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.