Home / 11,309.87-16,962.91-3,518.07

Finding the Fourth Proportional to 11,309.87, 16,962.91 and 3,518.07

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Solution

The fourth proportional to 11,309.87, 16,962.91 and 3,518.07 is: 5,276.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,309.87 : 16,962.91 = 3,518.07 : x
  2. Step 2: Convert to fraction form
    11,309.87/16,962.91 = 3,518.07/x
  3. Step 3: Cross multiply
    11,309.87x = 16,962.91 × 3,518.07
  4. Step 4: Simplify right side
    11,309.87x = 59,676,695.99
  5. Step 5: Solve for x
    x = 59,676,695.99/11,309.87
  6. Step 6: Final answer
    x = 5,276.52

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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.