Home / 11,424.28-17,132.10-4,495

Finding the Fourth Proportional to 11,424.28, 17,132.10 and 4,495

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Solution

The fourth proportional to 11,424.28, 17,132.10 and 4,495 is: 6,740.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,424.28 : 17,132.10 = 4,495 : x
  2. Step 2: Convert to fraction form
    11,424.28/17,132.10 = 4,495/x
  3. Step 3: Cross multiply
    11,424.28x = 17,132.10 × 4,495
  4. Step 4: Simplify right side
    11,424.28x = 77,008,789.50
  5. Step 5: Solve for x
    x = 77,008,789.50/11,424.28
  6. Step 6: Final answer
    x = 6,740.80

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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.