Home / 11,204.34-15,462.36-6,168.78

Finding the Fourth Proportional to 11,204.34, 15,462.36 and 6,168.78

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Solution

The fourth proportional to 11,204.34, 15,462.36 and 6,168.78 is: 8,513.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,204.34 : 15,462.36 = 6,168.78 : x
  2. Step 2: Convert to fraction form
    11,204.34/15,462.36 = 6,168.78/x
  3. Step 3: Cross multiply
    11,204.34x = 15,462.36 × 6,168.78
  4. Step 4: Simplify right side
    11,204.34x = 95,383,897.12
  5. Step 5: Solve for x
    x = 95,383,897.12/11,204.34
  6. Step 6: Final answer
    x = 8,513.12

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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.