Home / 8,825.91-12,177.36-5,237.88

Finding the Fourth Proportional to 8,825.91, 12,177.36 and 5,237.88

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Solution

The fourth proportional to 8,825.91, 12,177.36 and 5,237.88 is: 7,226.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,825.91 : 12,177.36 = 5,237.88 : x
  2. Step 2: Convert to fraction form
    8,825.91/12,177.36 = 5,237.88/x
  3. Step 3: Cross multiply
    8,825.91x = 12,177.36 × 5,237.88
  4. Step 4: Simplify right side
    8,825.91x = 63,783,550.40
  5. Step 5: Solve for x
    x = 63,783,550.40/8,825.91
  6. Step 6: Final answer
    x = 7,226.85

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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.