Home / 11,872.53-17,808.66-4,856.31

Finding the Fourth Proportional to 11,872.53, 17,808.66 and 4,856.31

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Solution

The fourth proportional to 11,872.53, 17,808.66 and 4,856.31 is: 7,284.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,872.53 : 17,808.66 = 4,856.31 : x
  2. Step 2: Convert to fraction form
    11,872.53/17,808.66 = 4,856.31/x
  3. Step 3: Cross multiply
    11,872.53x = 17,808.66 × 4,856.31
  4. Step 4: Simplify right side
    11,872.53x = 86,484,373.64
  5. Step 5: Solve for x
    x = 86,484,373.64/11,872.53
  6. Step 6: Final answer
    x = 7,284.41

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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.