Home / 11,305.90-16,958.89-4,727.47

Finding the Fourth Proportional to 11,305.90, 16,958.89 and 4,727.47

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Solution

The fourth proportional to 11,305.90, 16,958.89 and 4,727.47 is: 7,091.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,305.90 : 16,958.89 = 4,727.47 : x
  2. Step 2: Convert to fraction form
    11,305.90/16,958.89 = 4,727.47/x
  3. Step 3: Cross multiply
    11,305.90x = 16,958.89 × 4,727.47
  4. Step 4: Simplify right side
    11,305.90x = 80,172,662.47
  5. Step 5: Solve for x
    x = 80,172,662.47/11,305.90
  6. Step 6: Final answer
    x = 7,091.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.