Home / 9,479.70-13,082.26-5,231.04

Finding the Fourth Proportional to 9,479.70, 13,082.26 and 5,231.04

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Solution

The fourth proportional to 9,479.70, 13,082.26 and 5,231.04 is: 7,218.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,479.70 : 13,082.26 = 5,231.04 : x
  2. Step 2: Convert to fraction form
    9,479.70/13,082.26 = 5,231.04/x
  3. Step 3: Cross multiply
    9,479.70x = 13,082.26 × 5,231.04
  4. Step 4: Simplify right side
    9,479.70x = 68,433,825.35
  5. Step 5: Solve for x
    x = 68,433,825.35/9,479.70
  6. Step 6: Final answer
    x = 7,218.99

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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.