Home / 11,672.40-17,497.44-3,875.76

Finding the Fourth Proportional to 11,672.40, 17,497.44 and 3,875.76

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Solution

The fourth proportional to 11,672.40, 17,497.44 and 3,875.76 is: 5,809.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,672.40 : 17,497.44 = 3,875.76 : x
  2. Step 2: Convert to fraction form
    11,672.40/17,497.44 = 3,875.76/x
  3. Step 3: Cross multiply
    11,672.40x = 17,497.44 × 3,875.76
  4. Step 4: Simplify right side
    11,672.40x = 67,815,878.05
  5. Step 5: Solve for x
    x = 67,815,878.05/11,672.40
  6. Step 6: Final answer
    x = 5,809.93

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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.