Home / 10,954.70-16,443.74-4,717.80

Finding the Fourth Proportional to 10,954.70, 16,443.74 and 4,717.80

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Solution

The fourth proportional to 10,954.70, 16,443.74 and 4,717.80 is: 7,081.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,954.70 : 16,443.74 = 4,717.80 : x
  2. Step 2: Convert to fraction form
    10,954.70/16,443.74 = 4,717.80/x
  3. Step 3: Cross multiply
    10,954.70x = 16,443.74 × 4,717.80
  4. Step 4: Simplify right side
    10,954.70x = 77,578,276.57
  5. Step 5: Solve for x
    x = 77,578,276.57/10,954.70
  6. Step 6: Final answer
    x = 7,081.73

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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.