Home / 12,744.06-19,116.09-5,720.22

Finding the Fourth Proportional to 12,744.06, 19,116.09 and 5,720.22

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Solution

The fourth proportional to 12,744.06, 19,116.09 and 5,720.22 is: 8,580.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,744.06 : 19,116.09 = 5,720.22 : x
  2. Step 2: Convert to fraction form
    12,744.06/19,116.09 = 5,720.22/x
  3. Step 3: Cross multiply
    12,744.06x = 19,116.09 × 5,720.22
  4. Step 4: Simplify right side
    12,744.06x = 109,348,240.34
  5. Step 5: Solve for x
    x = 109,348,240.34/12,744.06
  6. Step 6: Final answer
    x = 8,580.33

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Double scale
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Similar ratio
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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.