Home / 13,101.23-19,659.94-5,310.11

Finding the Fourth Proportional to 13,101.23, 19,659.94 and 5,310.11

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Solution

The fourth proportional to 13,101.23, 19,659.94 and 5,310.11 is: 7,968.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,101.23 : 19,659.94 = 5,310.11 : x
  2. Step 2: Convert to fraction form
    13,101.23/19,659.94 = 5,310.11/x
  3. Step 3: Cross multiply
    13,101.23x = 19,659.94 × 5,310.11
  4. Step 4: Simplify right side
    13,101.23x = 104,396,332.42
  5. Step 5: Solve for x
    x = 104,396,332.42/13,101.23
  6. Step 6: Final answer
    x = 7,968.44

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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.