Home / 10,986.83-16,480.12-2,666.94

Finding the Fourth Proportional to 10,986.83, 16,480.12 and 2,666.94

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Solution

The fourth proportional to 10,986.83, 16,480.12 and 2,666.94 is: 4,000.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,986.83 : 16,480.12 = 2,666.94 : x
  2. Step 2: Convert to fraction form
    10,986.83/16,480.12 = 2,666.94/x
  3. Step 3: Cross multiply
    10,986.83x = 16,480.12 × 2,666.94
  4. Step 4: Simplify right side
    10,986.83x = 43,951,491.23
  5. Step 5: Solve for x
    x = 43,951,491.23/10,986.83
  6. Step 6: Final answer
    x = 4,000.38

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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.