Home / 12,133.71-16,705.67-11,869.02

Finding the Fourth Proportional to 12,133.71, 16,705.67 and 11,869.02

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Solution

The fourth proportional to 12,133.71, 16,705.67 and 11,869.02 is: 16,341.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,133.71 : 16,705.67 = 11,869.02 : x
  2. Step 2: Convert to fraction form
    12,133.71/16,705.67 = 11,869.02/x
  3. Step 3: Cross multiply
    12,133.71x = 16,705.67 × 11,869.02
  4. Step 4: Simplify right side
    12,133.71x = 198,279,872.00
  5. Step 5: Solve for x
    x = 198,279,872.00/12,133.71
  6. Step 6: Final answer
    x = 16,341.24

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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.