Home / 12,243.96-16,897.41-6,938.73

Finding the Fourth Proportional to 12,243.96, 16,897.41 and 6,938.73

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Solution

The fourth proportional to 12,243.96, 16,897.41 and 6,938.73 is: 9,575.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,243.96 : 16,897.41 = 6,938.73 : x
  2. Step 2: Convert to fraction form
    12,243.96/16,897.41 = 6,938.73/x
  3. Step 3: Cross multiply
    12,243.96x = 16,897.41 × 6,938.73
  4. Step 4: Simplify right side
    12,243.96x = 117,246,565.69
  5. Step 5: Solve for x
    x = 117,246,565.69/12,243.96
  6. Step 6: Final answer
    x = 9,575.87

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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.