Home / 11,531.24-17,283.42-5,291.91

Finding the Fourth Proportional to 11,531.24, 17,283.42 and 5,291.91

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Solution

The fourth proportional to 11,531.24, 17,283.42 and 5,291.91 is: 7,931.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,531.24 : 17,283.42 = 5,291.91 : x
  2. Step 2: Convert to fraction form
    11,531.24/17,283.42 = 5,291.91/x
  3. Step 3: Cross multiply
    11,531.24x = 17,283.42 × 5,291.91
  4. Step 4: Simplify right side
    11,531.24x = 91,462,288.25
  5. Step 5: Solve for x
    x = 91,462,288.25/11,531.24
  6. Step 6: Final answer
    x = 7,931.70

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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.