Home / 7,471.43-11,208.89-4,186.79

Finding the Fourth Proportional to 7,471.43, 11,208.89 and 4,186.79

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Solution

The fourth proportional to 7,471.43, 11,208.89 and 4,186.79 is: 6,281.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,471.43 : 11,208.89 = 4,186.79 : x
  2. Step 2: Convert to fraction form
    7,471.43/11,208.89 = 4,186.79/x
  3. Step 3: Cross multiply
    7,471.43x = 11,208.89 × 4,186.79
  4. Step 4: Simplify right side
    7,471.43x = 46,929,212.52
  5. Step 5: Solve for x
    x = 46,929,212.52/7,471.43
  6. Step 6: Final answer
    x = 6,281.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.