Home / 11,151.88-16,727.80-6,154.02

Finding the Fourth Proportional to 11,151.88, 16,727.80 and 6,154.02

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Solution

The fourth proportional to 11,151.88, 16,727.80 and 6,154.02 is: 9,231.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,151.88 : 16,727.80 = 6,154.02 : x
  2. Step 2: Convert to fraction form
    11,151.88/16,727.80 = 6,154.02/x
  3. Step 3: Cross multiply
    11,151.88x = 16,727.80 × 6,154.02
  4. Step 4: Simplify right side
    11,151.88x = 102,943,215.76
  5. Step 5: Solve for x
    x = 102,943,215.76/11,151.88
  6. Step 6: Final answer
    x = 9,231.02

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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.