Home / 11,078.98-16,618.70-3,684.02

Finding the Fourth Proportional to 11,078.98, 16,618.70 and 3,684.02

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Solution

The fourth proportional to 11,078.98, 16,618.70 and 3,684.02 is: 5,526.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,078.98 : 16,618.70 = 3,684.02 : x
  2. Step 2: Convert to fraction form
    11,078.98/16,618.70 = 3,684.02/x
  3. Step 3: Cross multiply
    11,078.98x = 16,618.70 × 3,684.02
  4. Step 4: Simplify right side
    11,078.98x = 61,223,549.29
  5. Step 5: Solve for x
    x = 61,223,549.29/11,078.98
  6. Step 6: Final answer
    x = 5,526.10

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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.