Home / 10,015.86-15,023.74-4,091.48

Finding the Fourth Proportional to 10,015.86, 15,023.74 and 4,091.48

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Solution

The fourth proportional to 10,015.86, 15,023.74 and 4,091.48 is: 6,137.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,015.86 : 15,023.74 = 4,091.48 : x
  2. Step 2: Convert to fraction form
    10,015.86/15,023.74 = 4,091.48/x
  3. Step 3: Cross multiply
    10,015.86x = 15,023.74 × 4,091.48
  4. Step 4: Simplify right side
    10,015.86x = 61,469,359.07
  5. Step 5: Solve for x
    x = 61,469,359.07/10,015.86
  6. Step 6: Final answer
    x = 6,137.20

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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.