Home / 11,821.35-17,730.59-3,055.53

Finding the Fourth Proportional to 11,821.35, 17,730.59 and 3,055.53

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Solution

The fourth proportional to 11,821.35, 17,730.59 and 3,055.53 is: 4,582.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,821.35 : 17,730.59 = 3,055.53 : x
  2. Step 2: Convert to fraction form
    11,821.35/17,730.59 = 3,055.53/x
  3. Step 3: Cross multiply
    11,821.35x = 17,730.59 × 3,055.53
  4. Step 4: Simplify right side
    11,821.35x = 54,176,334.39
  5. Step 5: Solve for x
    x = 54,176,334.39/11,821.35
  6. Step 6: Final answer
    x = 4,582.92

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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.