Home / 10,029.62-13,840.87-5,553.37

Finding the Fourth Proportional to 10,029.62, 13,840.87 and 5,553.37

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Solution

The fourth proportional to 10,029.62, 13,840.87 and 5,553.37 is: 7,663.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,029.62 : 13,840.87 = 5,553.37 : x
  2. Step 2: Convert to fraction form
    10,029.62/13,840.87 = 5,553.37/x
  3. Step 3: Cross multiply
    10,029.62x = 13,840.87 × 5,553.37
  4. Step 4: Simplify right side
    10,029.62x = 76,863,460.80
  5. Step 5: Solve for x
    x = 76,863,460.80/10,029.62
  6. Step 6: Final answer
    x = 7,663.65

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1.5x scale

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.