Home / 9,081.26-12,525.18-7,960.26

Finding the Fourth Proportional to 9,081.26, 12,525.18 and 7,960.26

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Solution

The fourth proportional to 9,081.26, 12,525.18 and 7,960.26 is: 10,979.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,081.26 : 12,525.18 = 7,960.26 : x
  2. Step 2: Convert to fraction form
    9,081.26/12,525.18 = 7,960.26/x
  3. Step 3: Cross multiply
    9,081.26x = 12,525.18 × 7,960.26
  4. Step 4: Simplify right side
    9,081.26x = 99,703,680.79
  5. Step 5: Solve for x
    x = 99,703,680.79/9,081.26
  6. Step 6: Final answer
    x = 10,979.05

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Similar ratio
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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.