Home / 11,146.26-15,381.30-6,672.48

Finding the Fourth Proportional to 11,146.26, 15,381.30 and 6,672.48

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Solution

The fourth proportional to 11,146.26, 15,381.30 and 6,672.48 is: 9,207.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,146.26 : 15,381.30 = 6,672.48 : x
  2. Step 2: Convert to fraction form
    11,146.26/15,381.30 = 6,672.48/x
  3. Step 3: Cross multiply
    11,146.26x = 15,381.30 × 6,672.48
  4. Step 4: Simplify right side
    11,146.26x = 102,631,416.62
  5. Step 5: Solve for x
    x = 102,631,416.62/11,146.26
  6. Step 6: Final answer
    x = 9,207.70

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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.