Home / 11,698.75-17,543.13-6,771.79

Finding the Fourth Proportional to 11,698.75, 17,543.13 and 6,771.79

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Solution

The fourth proportional to 11,698.75, 17,543.13 and 6,771.79 is: 10,154.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,698.75 : 17,543.13 = 6,771.79 : x
  2. Step 2: Convert to fraction form
    11,698.75/17,543.13 = 6,771.79/x
  3. Step 3: Cross multiply
    11,698.75x = 17,543.13 × 6,771.79
  4. Step 4: Simplify right side
    11,698.75x = 118,798,392.30
  5. Step 5: Solve for x
    x = 118,798,392.30/11,698.75
  6. Step 6: Final answer
    x = 10,154.79

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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.