Home / 9,116.78-13,666.94-3,272.02

Finding the Fourth Proportional to 9,116.78, 13,666.94 and 3,272.02

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Solution

The fourth proportional to 9,116.78, 13,666.94 and 3,272.02 is: 4,905.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,116.78 : 13,666.94 = 3,272.02 : x
  2. Step 2: Convert to fraction form
    9,116.78/13,666.94 = 3,272.02/x
  3. Step 3: Cross multiply
    9,116.78x = 13,666.94 × 3,272.02
  4. Step 4: Simplify right side
    9,116.78x = 44,718,501.02
  5. Step 5: Solve for x
    x = 44,718,501.02/9,116.78
  6. Step 6: Final answer
    x = 4,905.08

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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.