Home / 11,671.29-17,509.37-4,275.89

Finding the Fourth Proportional to 11,671.29, 17,509.37 and 4,275.89

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Solution

The fourth proportional to 11,671.29, 17,509.37 and 4,275.89 is: 6,414.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,671.29 : 17,509.37 = 4,275.89 : x
  2. Step 2: Convert to fraction form
    11,671.29/17,509.37 = 4,275.89/x
  3. Step 3: Cross multiply
    11,671.29x = 17,509.37 × 4,275.89
  4. Step 4: Simplify right side
    11,671.29x = 74,868,096.82
  5. Step 5: Solve for x
    x = 74,868,096.82/11,671.29
  6. Step 6: Final answer
    x = 6,414.72

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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.