Home / 11,057.40-15,260.94-7,923.96

Finding the Fourth Proportional to 11,057.40, 15,260.94 and 7,923.96

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Solution

The fourth proportional to 11,057.40, 15,260.94 and 7,923.96 is: 10,936.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,057.40 : 15,260.94 = 7,923.96 : x
  2. Step 2: Convert to fraction form
    11,057.40/15,260.94 = 7,923.96/x
  3. Step 3: Cross multiply
    11,057.40x = 15,260.94 × 7,923.96
  4. Step 4: Simplify right side
    11,057.40x = 120,927,078.12
  5. Step 5: Solve for x
    x = 120,927,078.12/11,057.40
  6. Step 6: Final answer
    x = 10,936.30

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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.