Home / 11,927.97-16,460.10-6,622.47

Finding the Fourth Proportional to 11,927.97, 16,460.10 and 6,622.47

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Solution

The fourth proportional to 11,927.97, 16,460.10 and 6,622.47 is: 9,138.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,927.97 : 16,460.10 = 6,622.47 : x
  2. Step 2: Convert to fraction form
    11,927.97/16,460.10 = 6,622.47/x
  3. Step 3: Cross multiply
    11,927.97x = 16,460.10 × 6,622.47
  4. Step 4: Simplify right side
    11,927.97x = 109,006,518.45
  5. Step 5: Solve for x
    x = 109,006,518.45/11,927.97
  6. Step 6: Final answer
    x = 9,138.73

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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.