Home / 8,748.26-12,072.50-4,769.28

Finding the Fourth Proportional to 8,748.26, 12,072.50 and 4,769.28

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Solution

The fourth proportional to 8,748.26, 12,072.50 and 4,769.28 is: 6,581.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,748.26 : 12,072.50 = 4,769.28 : x
  2. Step 2: Convert to fraction form
    8,748.26/12,072.50 = 4,769.28/x
  3. Step 3: Cross multiply
    8,748.26x = 12,072.50 × 4,769.28
  4. Step 4: Simplify right side
    8,748.26x = 57,577,132.80
  5. Step 5: Solve for x
    x = 57,577,132.80/8,748.26
  6. Step 6: Final answer
    x = 6,581.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.