Home / 12,404.34-18,606.51-3,170.34

Finding the Fourth Proportional to 12,404.34, 18,606.51 and 3,170.34

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Solution

The fourth proportional to 12,404.34, 18,606.51 and 3,170.34 is: 4,755.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,404.34 : 18,606.51 = 3,170.34 : x
  2. Step 2: Convert to fraction form
    12,404.34/18,606.51 = 3,170.34/x
  3. Step 3: Cross multiply
    12,404.34x = 18,606.51 × 3,170.34
  4. Step 4: Simplify right side
    12,404.34x = 58,988,962.91
  5. Step 5: Solve for x
    x = 58,988,962.91/12,404.34
  6. Step 6: Final answer
    x = 4,755.51

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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.