Home / 10,163.20-14,025.84-5,687.48

Finding the Fourth Proportional to 10,163.20, 14,025.84 and 5,687.48

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Solution

The fourth proportional to 10,163.20, 14,025.84 and 5,687.48 is: 7,849.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,163.20 : 14,025.84 = 5,687.48 : x
  2. Step 2: Convert to fraction form
    10,163.20/14,025.84 = 5,687.48/x
  3. Step 3: Cross multiply
    10,163.20x = 14,025.84 × 5,687.48
  4. Step 4: Simplify right side
    10,163.20x = 79,771,684.48
  5. Step 5: Solve for x
    x = 79,771,684.48/10,163.20
  6. Step 6: Final answer
    x = 7,849.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.