Home / 7,650.50-10,553.20-4,813.36

Finding the Fourth Proportional to 7,650.50, 10,553.20 and 4,813.36

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Solution

The fourth proportional to 7,650.50, 10,553.20 and 4,813.36 is: 6,639.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,650.50 : 10,553.20 = 4,813.36 : x
  2. Step 2: Convert to fraction form
    7,650.50/10,553.20 = 4,813.36/x
  3. Step 3: Cross multiply
    7,650.50x = 10,553.20 × 4,813.36
  4. Step 4: Simplify right side
    7,650.50x = 50,796,350.75
  5. Step 5: Solve for x
    x = 50,796,350.75/7,650.50
  6. Step 6: Final answer
    x = 6,639.61

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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.