Home / 8,662.07-11,953.78-4,885.43

Finding the Fourth Proportional to 8,662.07, 11,953.78 and 4,885.43

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Solution

The fourth proportional to 8,662.07, 11,953.78 and 4,885.43 is: 6,741.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,662.07 : 11,953.78 = 4,885.43 : x
  2. Step 2: Convert to fraction form
    8,662.07/11,953.78 = 4,885.43/x
  3. Step 3: Cross multiply
    8,662.07x = 11,953.78 × 4,885.43
  4. Step 4: Simplify right side
    8,662.07x = 58,399,283.44
  5. Step 5: Solve for x
    x = 58,399,283.44/8,662.07
  6. Step 6: Final answer
    x = 6,741.95

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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.