Home / 12,395.43-18,586.73-4,997.88

Finding the Fourth Proportional to 12,395.43, 18,586.73 and 4,997.88

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Solution

The fourth proportional to 12,395.43, 18,586.73 and 4,997.88 is: 7,494.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,395.43 : 18,586.73 = 4,997.88 : x
  2. Step 2: Convert to fraction form
    12,395.43/18,586.73 = 4,997.88/x
  3. Step 3: Cross multiply
    12,395.43x = 18,586.73 × 4,997.88
  4. Step 4: Simplify right side
    12,395.43x = 92,894,258.63
  5. Step 5: Solve for x
    x = 92,894,258.63/12,395.43
  6. Step 6: Final answer
    x = 7,494.23

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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.