Home / 9,479.43-13,081.75-5,230.42

Finding the Fourth Proportional to 9,479.43, 13,081.75 and 5,230.42

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Solution

The fourth proportional to 9,479.43, 13,081.75 and 5,230.42 is: 7,218.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,479.43 : 13,081.75 = 5,230.42 : x
  2. Step 2: Convert to fraction form
    9,479.43/13,081.75 = 5,230.42/x
  3. Step 3: Cross multiply
    9,479.43x = 13,081.75 × 5,230.42
  4. Step 4: Simplify right side
    9,479.43x = 68,423,104.06
  5. Step 5: Solve for x
    x = 68,423,104.06/9,479.43
  6. Step 6: Final answer
    x = 7,218.06

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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.