Home / 10,954.69-16,443.73-4,717.79

Finding the Fourth Proportional to 10,954.69, 16,443.73 and 4,717.79

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Solution

The fourth proportional to 10,954.69, 16,443.73 and 4,717.79 is: 7,081.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,954.69 : 16,443.73 = 4,717.79 : x
  2. Step 2: Convert to fraction form
    10,954.69/16,443.73 = 4,717.79/x
  3. Step 3: Cross multiply
    10,954.69x = 16,443.73 × 4,717.79
  4. Step 4: Simplify right side
    10,954.69x = 77,578,064.96
  5. Step 5: Solve for x
    x = 77,578,064.96/10,954.69
  6. Step 6: Final answer
    x = 7,081.72

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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.