Home / 11,948.44-16,490.82-9,955.84

Finding the Fourth Proportional to 11,948.44, 16,490.82 and 9,955.84

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Solution

The fourth proportional to 11,948.44, 16,490.82 and 9,955.84 is: 13,740.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,948.44 : 16,490.82 = 9,955.84 : x
  2. Step 2: Convert to fraction form
    11,948.44/16,490.82 = 9,955.84/x
  3. Step 3: Cross multiply
    11,948.44x = 16,490.82 × 9,955.84
  4. Step 4: Simplify right side
    11,948.44x = 164,179,965.39
  5. Step 5: Solve for x
    x = 164,179,965.39/11,948.44
  6. Step 6: Final answer
    x = 13,740.70

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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.