Home / 11,060.92-15,261.52-8,078.36

Finding the Fourth Proportional to 11,060.92, 15,261.52 and 8,078.36

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Solution

The fourth proportional to 11,060.92, 15,261.52 and 8,078.36 is: 11,146.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,060.92 : 15,261.52 = 8,078.36 : x
  2. Step 2: Convert to fraction form
    11,060.92/15,261.52 = 8,078.36/x
  3. Step 3: Cross multiply
    11,060.92x = 15,261.52 × 8,078.36
  4. Step 4: Simplify right side
    11,060.92x = 123,288,052.71
  5. Step 5: Solve for x
    x = 123,288,052.71/11,060.92
  6. Step 6: Final answer
    x = 11,146.27

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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.