Home / 11,347.48-17,021.35-3,451.28

Finding the Fourth Proportional to 11,347.48, 17,021.35 and 3,451.28

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Solution

The fourth proportional to 11,347.48, 17,021.35 and 3,451.28 is: 5,176.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,347.48 : 17,021.35 = 3,451.28 : x
  2. Step 2: Convert to fraction form
    11,347.48/17,021.35 = 3,451.28/x
  3. Step 3: Cross multiply
    11,347.48x = 17,021.35 × 3,451.28
  4. Step 4: Simplify right side
    11,347.48x = 58,745,440.37
  5. Step 5: Solve for x
    x = 58,745,440.37/11,347.48
  6. Step 6: Final answer
    x = 5,176.96

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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.