Home / 7,650.68-10,550.94-4,997.12

Finding the Fourth Proportional to 7,650.68, 10,550.94 and 4,997.12

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Solution

The fourth proportional to 7,650.68, 10,550.94 and 4,997.12 is: 6,891.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,650.68 : 10,550.94 = 4,997.12 : x
  2. Step 2: Convert to fraction form
    7,650.68/10,550.94 = 4,997.12/x
  3. Step 3: Cross multiply
    7,650.68x = 10,550.94 × 4,997.12
  4. Step 4: Simplify right side
    7,650.68x = 52,724,313.29
  5. Step 5: Solve for x
    x = 52,724,313.29/7,650.68
  6. Step 6: Final answer
    x = 6,891.45

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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.