Home / 10,715.24-16,076.72-4,791.62

Finding the Fourth Proportional to 10,715.24, 16,076.72 and 4,791.62

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Solution

The fourth proportional to 10,715.24, 16,076.72 and 4,791.62 is: 7,189.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,715.24 : 16,076.72 = 4,791.62 : x
  2. Step 2: Convert to fraction form
    10,715.24/16,076.72 = 4,791.62/x
  3. Step 3: Cross multiply
    10,715.24x = 16,076.72 × 4,791.62
  4. Step 4: Simplify right side
    10,715.24x = 77,033,585.26
  5. Step 5: Solve for x
    x = 77,033,585.26/10,715.24
  6. Step 6: Final answer
    x = 7,189.16

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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.