Home / 7,985.44-11,019.75-4,400.27

Finding the Fourth Proportional to 7,985.44, 11,019.75 and 4,400.27

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Solution

The fourth proportional to 7,985.44, 11,019.75 and 4,400.27 is: 6,072.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,985.44 : 11,019.75 = 4,400.27 : x
  2. Step 2: Convert to fraction form
    7,985.44/11,019.75 = 4,400.27/x
  3. Step 3: Cross multiply
    7,985.44x = 11,019.75 × 4,400.27
  4. Step 4: Simplify right side
    7,985.44x = 48,489,907.04
  5. Step 5: Solve for x
    x = 48,489,907.04/7,985.44
  6. Step 6: Final answer
    x = 6,072.29

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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.