Home / 11,697.45-17,549.16-3,378.11

Finding the Fourth Proportional to 11,697.45, 17,549.16 and 3,378.11

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Solution

The fourth proportional to 11,697.45, 17,549.16 and 3,378.11 is: 5,068.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,697.45 : 17,549.16 = 3,378.11 : x
  2. Step 2: Convert to fraction form
    11,697.45/17,549.16 = 3,378.11/x
  3. Step 3: Cross multiply
    11,697.45x = 17,549.16 × 3,378.11
  4. Step 4: Simplify right side
    11,697.45x = 59,282,892.47
  5. Step 5: Solve for x
    x = 59,282,892.47/11,697.45
  6. Step 6: Final answer
    x = 5,068.02

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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.