Home / 11,102.24-15,321.30-6,322.88

Finding the Fourth Proportional to 11,102.24, 15,321.30 and 6,322.88

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Solution

The fourth proportional to 11,102.24, 15,321.30 and 6,322.88 is: 8,725.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,102.24 : 15,321.30 = 6,322.88 : x
  2. Step 2: Convert to fraction form
    11,102.24/15,321.30 = 6,322.88/x
  3. Step 3: Cross multiply
    11,102.24x = 15,321.30 × 6,322.88
  4. Step 4: Simplify right side
    11,102.24x = 96,874,741.34
  5. Step 5: Solve for x
    x = 96,874,741.34/11,102.24
  6. Step 6: Final answer
    x = 8,725.69

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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.