Home / 11,748.56-16,213.26-7,272.32

Finding the Fourth Proportional to 11,748.56, 16,213.26 and 7,272.32

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Solution

The fourth proportional to 11,748.56, 16,213.26 and 7,272.32 is: 10,035.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,748.56 : 16,213.26 = 7,272.32 : x
  2. Step 2: Convert to fraction form
    11,748.56/16,213.26 = 7,272.32/x
  3. Step 3: Cross multiply
    11,748.56x = 16,213.26 × 7,272.32
  4. Step 4: Simplify right side
    11,748.56x = 117,908,014.96
  5. Step 5: Solve for x
    x = 117,908,014.96/11,748.56
  6. Step 6: Final answer
    x = 10,035.95

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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.