Home / 11,497.86-17,246.42-3,178.38

Finding the Fourth Proportional to 11,497.86, 17,246.42 and 3,178.38

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Solution

The fourth proportional to 11,497.86, 17,246.42 and 3,178.38 is: 4,767.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,497.86 : 17,246.42 = 3,178.38 : x
  2. Step 2: Convert to fraction form
    11,497.86/17,246.42 = 3,178.38/x
  3. Step 3: Cross multiply
    11,497.86x = 17,246.42 × 3,178.38
  4. Step 4: Simplify right side
    11,497.86x = 54,815,676.40
  5. Step 5: Solve for x
    x = 54,815,676.40/11,497.86
  6. Step 6: Final answer
    x = 4,767.47

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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.