Home / 9,116.86-13,668.44-3,858.02

Finding the Fourth Proportional to 9,116.86, 13,668.44 and 3,858.02

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Solution

The fourth proportional to 9,116.86, 13,668.44 and 3,858.02 is: 5,784.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,116.86 : 13,668.44 = 3,858.02 : x
  2. Step 2: Convert to fraction form
    9,116.86/13,668.44 = 3,858.02/x
  3. Step 3: Cross multiply
    9,116.86x = 13,668.44 × 3,858.02
  4. Step 4: Simplify right side
    9,116.86x = 52,733,114.89
  5. Step 5: Solve for x
    x = 52,733,114.89/9,116.86
  6. Step 6: Final answer
    x = 5,784.13

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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.