Home / 10,987.75-16,481.63-4,062.25

Finding the Fourth Proportional to 10,987.75, 16,481.63 and 4,062.25

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Solution

The fourth proportional to 10,987.75, 16,481.63 and 4,062.25 is: 6,093.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,987.75 : 16,481.63 = 4,062.25 : x
  2. Step 2: Convert to fraction form
    10,987.75/16,481.63 = 4,062.25/x
  3. Step 3: Cross multiply
    10,987.75x = 16,481.63 × 4,062.25
  4. Step 4: Simplify right side
    10,987.75x = 66,952,501.47
  5. Step 5: Solve for x
    x = 66,952,501.47/10,987.75
  6. Step 6: Final answer
    x = 6,093.38

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1.5x scale

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.