Home / 11,081.61-15,296.04-6,369.03

Finding the Fourth Proportional to 11,081.61, 15,296.04 and 6,369.03

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Solution

The fourth proportional to 11,081.61, 15,296.04 and 6,369.03 is: 8,791.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,081.61 : 15,296.04 = 6,369.03 : x
  2. Step 2: Convert to fraction form
    11,081.61/15,296.04 = 6,369.03/x
  3. Step 3: Cross multiply
    11,081.61x = 15,296.04 × 6,369.03
  4. Step 4: Simplify right side
    11,081.61x = 97,420,937.64
  5. Step 5: Solve for x
    x = 97,420,937.64/11,081.61
  6. Step 6: Final answer
    x = 8,791.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.