Home / 11,787.48-17,666.79-5,539.14

Finding the Fourth Proportional to 11,787.48, 17,666.79 and 5,539.14

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Solution

The fourth proportional to 11,787.48, 17,666.79 and 5,539.14 is: 8,301.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,787.48 : 17,666.79 = 5,539.14 : x
  2. Step 2: Convert to fraction form
    11,787.48/17,666.79 = 5,539.14/x
  3. Step 3: Cross multiply
    11,787.48x = 17,666.79 × 5,539.14
  4. Step 4: Simplify right side
    11,787.48x = 97,858,823.16
  5. Step 5: Solve for x
    x = 97,858,823.16/11,787.48
  6. Step 6: Final answer
    x = 8,301.93

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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.