Home / 10,015.44-13,821.22-5,539.52

Finding the Fourth Proportional to 10,015.44, 13,821.22 and 5,539.52

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Solution

The fourth proportional to 10,015.44, 13,821.22 and 5,539.52 is: 7,644.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,015.44 : 13,821.22 = 5,539.52 : x
  2. Step 2: Convert to fraction form
    10,015.44/13,821.22 = 5,539.52/x
  3. Step 3: Cross multiply
    10,015.44x = 13,821.22 × 5,539.52
  4. Step 4: Simplify right side
    10,015.44x = 76,562,924.61
  5. Step 5: Solve for x
    x = 76,562,924.61/10,015.44
  6. Step 6: Final answer
    x = 7,644.49

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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.