Home / 8,825.92-12,185.48-5,472.30

Finding the Fourth Proportional to 8,825.92, 12,185.48 and 5,472.30

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Solution

The fourth proportional to 8,825.92, 12,185.48 and 5,472.30 is: 7,555.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,825.92 : 12,185.48 = 5,472.30 : x
  2. Step 2: Convert to fraction form
    8,825.92/12,185.48 = 5,472.30/x
  3. Step 3: Cross multiply
    8,825.92x = 12,185.48 × 5,472.30
  4. Step 4: Simplify right side
    8,825.92x = 66,682,602.20
  5. Step 5: Solve for x
    x = 66,682,602.20/8,825.92
  6. Step 6: Final answer
    x = 7,555.31

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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.