Home / 8,109.85-11,191.58-4,573.04

Finding the Fourth Proportional to 8,109.85, 11,191.58 and 4,573.04

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Solution

The fourth proportional to 8,109.85, 11,191.58 and 4,573.04 is: 6,310.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,109.85 : 11,191.58 = 4,573.04 : x
  2. Step 2: Convert to fraction form
    8,109.85/11,191.58 = 4,573.04/x
  3. Step 3: Cross multiply
    8,109.85x = 11,191.58 × 4,573.04
  4. Step 4: Simplify right side
    8,109.85x = 51,179,543.00
  5. Step 5: Solve for x
    x = 51,179,543.00/8,109.85
  6. Step 6: Final answer
    x = 6,310.79

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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.