Home / 11,108.79-16,668.62-4,867.95

Finding the Fourth Proportional to 11,108.79, 16,668.62 and 4,867.95

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Solution

The fourth proportional to 11,108.79, 16,668.62 and 4,867.95 is: 7,304.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,108.79 : 16,668.62 = 4,867.95 : x
  2. Step 2: Convert to fraction form
    11,108.79/16,668.62 = 4,867.95/x
  3. Step 3: Cross multiply
    11,108.79x = 16,668.62 × 4,867.95
  4. Step 4: Simplify right side
    11,108.79x = 81,141,984.39
  5. Step 5: Solve for x
    x = 81,141,984.39/11,108.79
  6. Step 6: Final answer
    x = 7,304.30

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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.