Home / 11,635.81-17,431.71-6,877.73

Finding the Fourth Proportional to 11,635.81, 17,431.71 and 6,877.73

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Solution

The fourth proportional to 11,635.81, 17,431.71 and 6,877.73 is: 10,303.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,635.81 : 17,431.71 = 6,877.73 : x
  2. Step 2: Convert to fraction form
    11,635.81/17,431.71 = 6,877.73/x
  3. Step 3: Cross multiply
    11,635.81x = 17,431.71 × 6,877.73
  4. Step 4: Simplify right side
    11,635.81x = 119,890,612.61
  5. Step 5: Solve for x
    x = 119,890,612.61/11,635.81
  6. Step 6: Final answer
    x = 10,303.59

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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.