Home / 10,020.88-15,025.32-4,471.44

Finding the Fourth Proportional to 10,020.88, 15,025.32 and 4,471.44

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Solution

The fourth proportional to 10,020.88, 15,025.32 and 4,471.44 is: 6,704.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,020.88 : 15,025.32 = 4,471.44 : x
  2. Step 2: Convert to fraction form
    10,020.88/15,025.32 = 4,471.44/x
  3. Step 3: Cross multiply
    10,020.88x = 15,025.32 × 4,471.44
  4. Step 4: Simplify right side
    10,020.88x = 67,184,816.86
  5. Step 5: Solve for x
    x = 67,184,816.86/10,020.88
  6. Step 6: Final answer
    x = 6,704.48

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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.