Home / 10,156.08-15,234.42-3,586.80

Finding the Fourth Proportional to 10,156.08, 15,234.42 and 3,586.80

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Solution

The fourth proportional to 10,156.08, 15,234.42 and 3,586.80 is: 5,380.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,156.08 : 15,234.42 = 3,586.80 : x
  2. Step 2: Convert to fraction form
    10,156.08/15,234.42 = 3,586.80/x
  3. Step 3: Cross multiply
    10,156.08x = 15,234.42 × 3,586.80
  4. Step 4: Simplify right side
    10,156.08x = 54,642,817.66
  5. Step 5: Solve for x
    x = 54,642,817.66/10,156.08
  6. Step 6: Final answer
    x = 5,380.31

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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.