Home / 11,027.63-15,220.53-6,782.34

Finding the Fourth Proportional to 11,027.63, 15,220.53 and 6,782.34

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Solution

The fourth proportional to 11,027.63, 15,220.53 and 6,782.34 is: 9,361.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,027.63 : 15,220.53 = 6,782.34 : x
  2. Step 2: Convert to fraction form
    11,027.63/15,220.53 = 6,782.34/x
  3. Step 3: Cross multiply
    11,027.63x = 15,220.53 × 6,782.34
  4. Step 4: Simplify right side
    11,027.63x = 103,230,809.44
  5. Step 5: Solve for x
    x = 103,230,809.44/11,027.63
  6. Step 6: Final answer
    x = 9,361.11

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Double scale
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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.