Home / 11,657.28-17,488.08-3,864.48

Finding the Fourth Proportional to 11,657.28, 17,488.08 and 3,864.48

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Solution

The fourth proportional to 11,657.28, 17,488.08 and 3,864.48 is: 5,797.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,657.28 : 17,488.08 = 3,864.48 : x
  2. Step 2: Convert to fraction form
    11,657.28/17,488.08 = 3,864.48/x
  3. Step 3: Cross multiply
    11,657.28x = 17,488.08 × 3,864.48
  4. Step 4: Simplify right side
    11,657.28x = 67,582,335.40
  5. Step 5: Solve for x
    x = 67,582,335.40/11,657.28
  6. Step 6: Final answer
    x = 5,797.44

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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.