Home / 9,055.66-13,582.86-3,131.17

Finding the Fourth Proportional to 9,055.66, 13,582.86 and 3,131.17

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Solution

The fourth proportional to 9,055.66, 13,582.86 and 3,131.17 is: 4,696.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,055.66 : 13,582.86 = 3,131.17 : x
  2. Step 2: Convert to fraction form
    9,055.66/13,582.86 = 3,131.17/x
  3. Step 3: Cross multiply
    9,055.66x = 13,582.86 × 3,131.17
  4. Step 4: Simplify right side
    9,055.66x = 42,530,243.57
  5. Step 5: Solve for x
    x = 42,530,243.57/9,055.66
  6. Step 6: Final answer
    x = 4,696.54

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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.