Home / 8,156.24-11,255.65-4,620.14

Finding the Fourth Proportional to 8,156.24, 11,255.65 and 4,620.14

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Solution

The fourth proportional to 8,156.24, 11,255.65 and 4,620.14 is: 6,375.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,156.24 : 11,255.65 = 4,620.14 : x
  2. Step 2: Convert to fraction form
    8,156.24/11,255.65 = 4,620.14/x
  3. Step 3: Cross multiply
    8,156.24x = 11,255.65 × 4,620.14
  4. Step 4: Simplify right side
    8,156.24x = 52,002,678.79
  5. Step 5: Solve for x
    x = 52,002,678.79/8,156.24
  6. Step 6: Final answer
    x = 6,375.82

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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.