Home / 8,254.85-11,388.92-4,715.56

Finding the Fourth Proportional to 8,254.85, 11,388.92 and 4,715.56

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Solution

The fourth proportional to 8,254.85, 11,388.92 and 4,715.56 is: 6,505.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,254.85 : 11,388.92 = 4,715.56 : x
  2. Step 2: Convert to fraction form
    8,254.85/11,388.92 = 4,715.56/x
  3. Step 3: Cross multiply
    8,254.85x = 11,388.92 × 4,715.56
  4. Step 4: Simplify right side
    8,254.85x = 53,705,118.91
  5. Step 5: Solve for x
    x = 53,705,118.91/8,254.85
  6. Step 6: Final answer
    x = 6,505.88

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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.