Home / 12,153.41-16,771.91-6,848.31

Finding the Fourth Proportional to 12,153.41, 16,771.91 and 6,848.31

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Solution

The fourth proportional to 12,153.41, 16,771.91 and 6,848.31 is: 9,450.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,153.41 : 16,771.91 = 6,848.31 : x
  2. Step 2: Convert to fraction form
    12,153.41/16,771.91 = 6,848.31/x
  3. Step 3: Cross multiply
    12,153.41x = 16,771.91 × 6,848.31
  4. Step 4: Simplify right side
    12,153.41x = 114,859,204.73
  5. Step 5: Solve for x
    x = 114,859,204.73/12,153.41
  6. Step 6: Final answer
    x = 9,450.78

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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.