Home / 11,748.78-17,625.96-4,727.70

Finding the Fourth Proportional to 11,748.78, 17,625.96 and 4,727.70

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Solution

The fourth proportional to 11,748.78, 17,625.96 and 4,727.70 is: 7,092.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,748.78 : 17,625.96 = 4,727.70 : x
  2. Step 2: Convert to fraction form
    11,748.78/17,625.96 = 4,727.70/x
  3. Step 3: Cross multiply
    11,748.78x = 17,625.96 × 4,727.70
  4. Step 4: Simplify right side
    11,748.78x = 83,330,251.09
  5. Step 5: Solve for x
    x = 83,330,251.09/11,748.78
  6. Step 6: Final answer
    x = 7,092.67

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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.