Home / 11,869.18-17,801.10-5,291.17

Finding the Fourth Proportional to 11,869.18, 17,801.10 and 5,291.17

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Solution

The fourth proportional to 11,869.18, 17,801.10 and 5,291.17 is: 7,935.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,869.18 : 17,801.10 = 5,291.17 : x
  2. Step 2: Convert to fraction form
    11,869.18/17,801.10 = 5,291.17/x
  3. Step 3: Cross multiply
    11,869.18x = 17,801.10 × 5,291.17
  4. Step 4: Simplify right side
    11,869.18x = 94,188,646.29
  5. Step 5: Solve for x
    x = 94,188,646.29/11,869.18
  6. Step 6: Final answer
    x = 7,935.56

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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.