Home / 11,189.46-15,441.72-6,474.06

Finding the Fourth Proportional to 11,189.46, 15,441.72 and 6,474.06

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Solution

The fourth proportional to 11,189.46, 15,441.72 and 6,474.06 is: 8,934.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,189.46 : 15,441.72 = 6,474.06 : x
  2. Step 2: Convert to fraction form
    11,189.46/15,441.72 = 6,474.06/x
  3. Step 3: Cross multiply
    11,189.46x = 15,441.72 × 6,474.06
  4. Step 4: Simplify right side
    11,189.46x = 99,970,621.78
  5. Step 5: Solve for x
    x = 99,970,621.78/11,189.46
  6. Step 6: Final answer
    x = 8,934.36

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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.