Home / 7,769.73-10,721.85-4,412.10

Finding the Fourth Proportional to 7,769.73, 10,721.85 and 4,412.10

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Solution

The fourth proportional to 7,769.73, 10,721.85 and 4,412.10 is: 6,088.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,769.73 : 10,721.85 = 4,412.10 : x
  2. Step 2: Convert to fraction form
    7,769.73/10,721.85 = 4,412.10/x
  3. Step 3: Cross multiply
    7,769.73x = 10,721.85 × 4,412.10
  4. Step 4: Simplify right side
    7,769.73x = 47,305,862.55
  5. Step 5: Solve for x
    x = 47,305,862.55/7,769.73
  6. Step 6: Final answer
    x = 6,088.48

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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.