Home / 8,454.96-11,671.92-5,627.04

Finding the Fourth Proportional to 8,454.96, 11,671.92 and 5,627.04

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Solution

The fourth proportional to 8,454.96, 11,671.92 and 5,627.04 is: 7,768.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,454.96 : 11,671.92 = 5,627.04 : x
  2. Step 2: Convert to fraction form
    8,454.96/11,671.92 = 5,627.04/x
  3. Step 3: Cross multiply
    8,454.96x = 11,671.92 × 5,627.04
  4. Step 4: Simplify right side
    8,454.96x = 65,678,360.72
  5. Step 5: Solve for x
    x = 65,678,360.72/8,454.96
  6. Step 6: Final answer
    x = 7,768.03

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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.