Home / 7,716.86-11,566.53-3,548.26

Finding the Fourth Proportional to 7,716.86, 11,566.53 and 3,548.26

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Solution

The fourth proportional to 7,716.86, 11,566.53 and 3,548.26 is: 5,318.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,716.86 : 11,566.53 = 3,548.26 : x
  2. Step 2: Convert to fraction form
    7,716.86/11,566.53 = 3,548.26/x
  3. Step 3: Cross multiply
    7,716.86x = 11,566.53 × 3,548.26
  4. Step 4: Simplify right side
    7,716.86x = 41,041,055.74
  5. Step 5: Solve for x
    x = 41,041,055.74/7,716.86
  6. Step 6: Final answer
    x = 5,318.36

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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.