Home / 11,927.47-16,460.66-6,622.38

Finding the Fourth Proportional to 11,927.47, 16,460.66 and 6,622.38

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Solution

The fourth proportional to 11,927.47, 16,460.66 and 6,622.38 is: 9,139.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,927.47 : 16,460.66 = 6,622.38 : x
  2. Step 2: Convert to fraction form
    11,927.47/16,460.66 = 6,622.38/x
  3. Step 3: Cross multiply
    11,927.47x = 16,460.66 × 6,622.38
  4. Step 4: Simplify right side
    11,927.47x = 109,008,745.57
  5. Step 5: Solve for x
    x = 109,008,745.57/11,927.47
  6. Step 6: Final answer
    x = 9,139.30

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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.