Home / 11,188.85-16,782.30-5,264.34

Finding the Fourth Proportional to 11,188.85, 16,782.30 and 5,264.34

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Solution

The fourth proportional to 11,188.85, 16,782.30 and 5,264.34 is: 7,896.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,188.85 : 16,782.30 = 5,264.34 : x
  2. Step 2: Convert to fraction form
    11,188.85/16,782.30 = 5,264.34/x
  3. Step 3: Cross multiply
    11,188.85x = 16,782.30 × 5,264.34
  4. Step 4: Simplify right side
    11,188.85x = 88,347,733.18
  5. Step 5: Solve for x
    x = 88,347,733.18/11,188.85
  6. Step 6: Final answer
    x = 7,896.05

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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.