Home / 11,189.82-15,441.84-6,153.96

Finding the Fourth Proportional to 11,189.82, 15,441.84 and 6,153.96

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Solution

The fourth proportional to 11,189.82, 15,441.84 and 6,153.96 is: 8,492.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,189.82 : 15,441.84 = 6,153.96 : x
  2. Step 2: Convert to fraction form
    11,189.82/15,441.84 = 6,153.96/x
  3. Step 3: Cross multiply
    11,189.82x = 15,441.84 × 6,153.96
  4. Step 4: Simplify right side
    11,189.82x = 95,028,465.69
  5. Step 5: Solve for x
    x = 95,028,465.69/11,189.82
  6. Step 6: Final answer
    x = 8,492.40

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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.