Home / 11,412.06-17,118.70-3,620.26

Finding the Fourth Proportional to 11,412.06, 17,118.70 and 3,620.26

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Solution

The fourth proportional to 11,412.06, 17,118.70 and 3,620.26 is: 5,430.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,412.06 : 17,118.70 = 3,620.26 : x
  2. Step 2: Convert to fraction form
    11,412.06/17,118.70 = 3,620.26/x
  3. Step 3: Cross multiply
    11,412.06x = 17,118.70 × 3,620.26
  4. Step 4: Simplify right side
    11,412.06x = 61,974,144.86
  5. Step 5: Solve for x
    x = 61,974,144.86/11,412.06
  6. Step 6: Final answer
    x = 5,430.58

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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.