Home / 10,668.64-16,003.88-3,648.36

Finding the Fourth Proportional to 10,668.64, 16,003.88 and 3,648.36

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Solution

The fourth proportional to 10,668.64, 16,003.88 and 3,648.36 is: 5,472.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,668.64 : 16,003.88 = 3,648.36 : x
  2. Step 2: Convert to fraction form
    10,668.64/16,003.88 = 3,648.36/x
  3. Step 3: Cross multiply
    10,668.64x = 16,003.88 × 3,648.36
  4. Step 4: Simplify right side
    10,668.64x = 58,387,915.64
  5. Step 5: Solve for x
    x = 58,387,915.64/10,668.64
  6. Step 6: Final answer
    x = 5,472.85

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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.