Home / 9,168.12-12,651.80-5,189.27

Finding the Fourth Proportional to 9,168.12, 12,651.80 and 5,189.27

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Solution

The fourth proportional to 9,168.12, 12,651.80 and 5,189.27 is: 7,161.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,168.12 : 12,651.80 = 5,189.27 : x
  2. Step 2: Convert to fraction form
    9,168.12/12,651.80 = 5,189.27/x
  3. Step 3: Cross multiply
    9,168.12x = 12,651.80 × 5,189.27
  4. Step 4: Simplify right side
    9,168.12x = 65,653,516.98
  5. Step 5: Solve for x
    x = 65,653,516.98/9,168.12
  6. Step 6: Final answer
    x = 7,161.07

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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.