Home / 11,167.99-16,749.43-6,666.32

Finding the Fourth Proportional to 11,167.99, 16,749.43 and 6,666.32

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Solution

The fourth proportional to 11,167.99, 16,749.43 and 6,666.32 is: 9,997.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,167.99 : 16,749.43 = 6,666.32 : x
  2. Step 2: Convert to fraction form
    11,167.99/16,749.43 = 6,666.32/x
  3. Step 3: Cross multiply
    11,167.99x = 16,749.43 × 6,666.32
  4. Step 4: Simplify right side
    11,167.99x = 111,656,959.78
  5. Step 5: Solve for x
    x = 111,656,959.78/11,167.99
  6. Step 6: Final answer
    x = 9,997.95

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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.