Home / 10,026.25-15,039.38-3,100.75

Finding the Fourth Proportional to 10,026.25, 15,039.38 and 3,100.75

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Solution

The fourth proportional to 10,026.25, 15,039.38 and 3,100.75 is: 4,651.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,026.25 : 15,039.38 = 3,100.75 : x
  2. Step 2: Convert to fraction form
    10,026.25/15,039.38 = 3,100.75/x
  3. Step 3: Cross multiply
    10,026.25x = 15,039.38 × 3,100.75
  4. Step 4: Simplify right side
    10,026.25x = 46,633,357.54
  5. Step 5: Solve for x
    x = 46,633,357.54/10,026.25
  6. Step 6: Final answer
    x = 4,651.13

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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.