Home / 11,226.90-15,492.99-6,190.86

Finding the Fourth Proportional to 11,226.90, 15,492.99 and 6,190.86

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Solution

The fourth proportional to 11,226.90, 15,492.99 and 6,190.86 is: 8,543.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,226.90 : 15,492.99 = 6,190.86 : x
  2. Step 2: Convert to fraction form
    11,226.90/15,492.99 = 6,190.86/x
  3. Step 3: Cross multiply
    11,226.90x = 15,492.99 × 6,190.86
  4. Step 4: Simplify right side
    11,226.90x = 95,914,932.07
  5. Step 5: Solve for x
    x = 95,914,932.07/11,226.90
  6. Step 6: Final answer
    x = 8,543.31

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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.