Home / 11,047.32-15,232.86-8,057.88

Finding the Fourth Proportional to 11,047.32, 15,232.86 and 8,057.88

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Solution

The fourth proportional to 11,047.32, 15,232.86 and 8,057.88 is: 11,110.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,047.32 : 15,232.86 = 8,057.88 : x
  2. Step 2: Convert to fraction form
    11,047.32/15,232.86 = 8,057.88/x
  3. Step 3: Cross multiply
    11,047.32x = 15,232.86 × 8,057.88
  4. Step 4: Simplify right side
    11,047.32x = 122,744,557.94
  5. Step 5: Solve for x
    x = 122,744,557.94/11,047.32
  6. Step 6: Final answer
    x = 11,110.80

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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.