Home / 11,786.59-17,680.38-4,670.80

Finding the Fourth Proportional to 11,786.59, 17,680.38 and 4,670.80

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Solution

The fourth proportional to 11,786.59, 17,680.38 and 4,670.80 is: 7,006.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,786.59 : 17,680.38 = 4,670.80 : x
  2. Step 2: Convert to fraction form
    11,786.59/17,680.38 = 4,670.80/x
  3. Step 3: Cross multiply
    11,786.59x = 17,680.38 × 4,670.80
  4. Step 4: Simplify right side
    11,786.59x = 82,581,518.90
  5. Step 5: Solve for x
    x = 82,581,518.90/11,786.59
  6. Step 6: Final answer
    x = 7,006.40

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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.