Home / 12,026.22-16,595.64-6,720

Finding the Fourth Proportional to 12,026.22, 16,595.64 and 6,720

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Solution

The fourth proportional to 12,026.22, 16,595.64 and 6,720 is: 9,273.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,026.22 : 16,595.64 = 6,720 : x
  2. Step 2: Convert to fraction form
    12,026.22/16,595.64 = 6,720/x
  3. Step 3: Cross multiply
    12,026.22x = 16,595.64 × 6,720
  4. Step 4: Simplify right side
    12,026.22x = 111,522,700.80
  5. Step 5: Solve for x
    x = 111,522,700.80/12,026.22
  6. Step 6: Final answer
    x = 9,273.30

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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.