Home / 12,080.76-16,672.68-6,775.56

Finding the Fourth Proportional to 12,080.76, 16,672.68 and 6,775.56

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Solution

The fourth proportional to 12,080.76, 16,672.68 and 6,775.56 is: 9,350.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,080.76 : 16,672.68 = 6,775.56 : x
  2. Step 2: Convert to fraction form
    12,080.76/16,672.68 = 6,775.56/x
  3. Step 3: Cross multiply
    12,080.76x = 16,672.68 × 6,775.56
  4. Step 4: Simplify right side
    12,080.76x = 112,966,743.70
  5. Step 5: Solve for x
    x = 112,966,743.70/12,080.76
  6. Step 6: Final answer
    x = 9,350.96

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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.