Home / 7,712.25-11,558.19-3,492.36

Finding the Fourth Proportional to 7,712.25, 11,558.19 and 3,492.36

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Solution

The fourth proportional to 7,712.25, 11,558.19 and 3,492.36 is: 5,233.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,712.25 : 11,558.19 = 3,492.36 : x
  2. Step 2: Convert to fraction form
    7,712.25/11,558.19 = 3,492.36/x
  3. Step 3: Cross multiply
    7,712.25x = 11,558.19 × 3,492.36
  4. Step 4: Simplify right side
    7,712.25x = 40,365,360.43
  5. Step 5: Solve for x
    x = 40,365,360.43/7,712.25
  6. Step 6: Final answer
    x = 5,233.93

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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.