Home / 11,770.50-17,655.30-4,748.34

Finding the Fourth Proportional to 11,770.50, 17,655.30 and 4,748.34

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Solution

The fourth proportional to 11,770.50, 17,655.30 and 4,748.34 is: 7,122.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,770.50 : 17,655.30 = 4,748.34 : x
  2. Step 2: Convert to fraction form
    11,770.50/17,655.30 = 4,748.34/x
  3. Step 3: Cross multiply
    11,770.50x = 17,655.30 × 4,748.34
  4. Step 4: Simplify right side
    11,770.50x = 83,833,367.20
  5. Step 5: Solve for x
    x = 83,833,367.20/11,770.50
  6. Step 6: Final answer
    x = 7,122.33

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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.