Home / 12,270.18-16,930.82-7,233.73

Finding the Fourth Proportional to 12,270.18, 16,930.82 and 7,233.73

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Solution

The fourth proportional to 12,270.18, 16,930.82 and 7,233.73 is: 9,981.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,270.18 : 16,930.82 = 7,233.73 : x
  2. Step 2: Convert to fraction form
    12,270.18/16,930.82 = 7,233.73/x
  3. Step 3: Cross multiply
    12,270.18x = 16,930.82 × 7,233.73
  4. Step 4: Simplify right side
    12,270.18x = 122,472,956.32
  5. Step 5: Solve for x
    x = 122,472,956.32/12,270.18
  6. Step 6: Final answer
    x = 9,981.35

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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.