Home / 10,621.82-15,932.72-5,058.29

Finding the Fourth Proportional to 10,621.82, 15,932.72 and 5,058.29

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Solution

The fourth proportional to 10,621.82, 15,932.72 and 5,058.29 is: 7,587.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,621.82 : 15,932.72 = 5,058.29 : x
  2. Step 2: Convert to fraction form
    10,621.82/15,932.72 = 5,058.29/x
  3. Step 3: Cross multiply
    10,621.82x = 15,932.72 × 5,058.29
  4. Step 4: Simplify right side
    10,621.82x = 80,592,318.25
  5. Step 5: Solve for x
    x = 80,592,318.25/10,621.82
  6. Step 6: Final answer
    x = 7,587.43

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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.