Home / 11,959.19-16,504.22-9,966.41

Finding the Fourth Proportional to 11,959.19, 16,504.22 and 9,966.41

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Solution

The fourth proportional to 11,959.19, 16,504.22 and 9,966.41 is: 13,754.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,959.19 : 16,504.22 = 9,966.41 : x
  2. Step 2: Convert to fraction form
    11,959.19/16,504.22 = 9,966.41/x
  3. Step 3: Cross multiply
    11,959.19x = 16,504.22 × 9,966.41
  4. Step 4: Simplify right side
    11,959.19x = 164,487,823.25
  5. Step 5: Solve for x
    x = 164,487,823.25/11,959.19
  6. Step 6: Final answer
    x = 13,754.09

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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.