Home / 7,220.08-10,813.71-5,650.30

Finding the Fourth Proportional to 7,220.08, 10,813.71 and 5,650.30

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Solution

The fourth proportional to 7,220.08, 10,813.71 and 5,650.30 is: 8,462.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,220.08 : 10,813.71 = 5,650.30 : x
  2. Step 2: Convert to fraction form
    7,220.08/10,813.71 = 5,650.30/x
  3. Step 3: Cross multiply
    7,220.08x = 10,813.71 × 5,650.30
  4. Step 4: Simplify right side
    7,220.08x = 61,100,705.61
  5. Step 5: Solve for x
    x = 61,100,705.61/7,220.08
  6. Step 6: Final answer
    x = 8,462.61

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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.