Home / 10,391.44-15,587.09-2,600.25

Finding the Fourth Proportional to 10,391.44, 15,587.09 and 2,600.25

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Solution

The fourth proportional to 10,391.44, 15,587.09 and 2,600.25 is: 3,900.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,391.44 : 15,587.09 = 2,600.25 : x
  2. Step 2: Convert to fraction form
    10,391.44/15,587.09 = 2,600.25/x
  3. Step 3: Cross multiply
    10,391.44x = 15,587.09 × 2,600.25
  4. Step 4: Simplify right side
    10,391.44x = 40,530,330.77
  5. Step 5: Solve for x
    x = 40,530,330.77/10,391.44
  6. Step 6: Final answer
    x = 3,900.36

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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.