Home / 10,974.80-16,454.10-4,729.70

Finding the Fourth Proportional to 10,974.80, 16,454.10 and 4,729.70

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Solution

The fourth proportional to 10,974.80, 16,454.10 and 4,729.70 is: 7,091.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,974.80 : 16,454.10 = 4,729.70 : x
  2. Step 2: Convert to fraction form
    10,974.80/16,454.10 = 4,729.70/x
  3. Step 3: Cross multiply
    10,974.80x = 16,454.10 × 4,729.70
  4. Step 4: Simplify right side
    10,974.80x = 77,822,956.77
  5. Step 5: Solve for x
    x = 77,822,956.77/10,974.80
  6. Step 6: Final answer
    x = 7,091.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.