Home / 12,116.98-16,717.58-7,338.73

Finding the Fourth Proportional to 12,116.98, 16,717.58 and 7,338.73

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Solution

The fourth proportional to 12,116.98, 16,717.58 and 7,338.73 is: 10,125.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,116.98 : 16,717.58 = 7,338.73 : x
  2. Step 2: Convert to fraction form
    12,116.98/16,717.58 = 7,338.73/x
  3. Step 3: Cross multiply
    12,116.98x = 16,717.58 × 7,338.73
  4. Step 4: Simplify right side
    12,116.98x = 122,685,805.87
  5. Step 5: Solve for x
    x = 122,685,805.87/12,116.98
  6. Step 6: Final answer
    x = 10,125.11

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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.