Home / 10,054.44-15,076.80-3,478.32

Finding the Fourth Proportional to 10,054.44, 15,076.80 and 3,478.32

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Solution

The fourth proportional to 10,054.44, 15,076.80 and 3,478.32 is: 5,215.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,054.44 : 15,076.80 = 3,478.32 : x
  2. Step 2: Convert to fraction form
    10,054.44/15,076.80 = 3,478.32/x
  3. Step 3: Cross multiply
    10,054.44x = 15,076.80 × 3,478.32
  4. Step 4: Simplify right side
    10,054.44x = 52,441,934.98
  5. Step 5: Solve for x
    x = 52,441,934.98/10,054.44
  6. Step 6: Final answer
    x = 5,215.80

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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.