Home / 11,217.13-16,825.65-4,975.66

Finding the Fourth Proportional to 11,217.13, 16,825.65 and 4,975.66

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Solution

The fourth proportional to 11,217.13, 16,825.65 and 4,975.66 is: 7,463.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,217.13 : 16,825.65 = 4,975.66 : x
  2. Step 2: Convert to fraction form
    11,217.13/16,825.65 = 4,975.66/x
  3. Step 3: Cross multiply
    11,217.13x = 16,825.65 × 4,975.66
  4. Step 4: Simplify right side
    11,217.13x = 83,718,713.68
  5. Step 5: Solve for x
    x = 83,718,713.68/11,217.13
  6. Step 6: Final answer
    x = 7,463.47

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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.