Home / 11,160.90-16,751.07-4,591.80

Finding the Fourth Proportional to 11,160.90, 16,751.07 and 4,591.80

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Solution

The fourth proportional to 11,160.90, 16,751.07 and 4,591.80 is: 6,891.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,160.90 : 16,751.07 = 4,591.80 : x
  2. Step 2: Convert to fraction form
    11,160.90/16,751.07 = 4,591.80/x
  3. Step 3: Cross multiply
    11,160.90x = 16,751.07 × 4,591.80
  4. Step 4: Simplify right side
    11,160.90x = 76,917,563.23
  5. Step 5: Solve for x
    x = 76,917,563.23/11,160.90
  6. Step 6: Final answer
    x = 6,891.70

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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.