Home / 11,327.16-16,988.46-3,931.92

Finding the Fourth Proportional to 11,327.16, 16,988.46 and 3,931.92

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Solution

The fourth proportional to 11,327.16, 16,988.46 and 3,931.92 is: 5,897.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,327.16 : 16,988.46 = 3,931.92 : x
  2. Step 2: Convert to fraction form
    11,327.16/16,988.46 = 3,931.92/x
  3. Step 3: Cross multiply
    11,327.16x = 16,988.46 × 3,931.92
  4. Step 4: Simplify right side
    11,327.16x = 66,797,265.64
  5. Step 5: Solve for x
    x = 66,797,265.64/11,327.16
  6. Step 6: Final answer
    x = 5,897.09

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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.