Home / 11,869.96-16,380.40-6,564.68

Finding the Fourth Proportional to 11,869.96, 16,380.40 and 6,564.68

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Solution

The fourth proportional to 11,869.96, 16,380.40 and 6,564.68 is: 9,059.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,869.96 : 16,380.40 = 6,564.68 : x
  2. Step 2: Convert to fraction form
    11,869.96/16,380.40 = 6,564.68/x
  3. Step 3: Cross multiply
    11,869.96x = 16,380.40 × 6,564.68
  4. Step 4: Simplify right side
    11,869.96x = 107,532,084.27
  5. Step 5: Solve for x
    x = 107,532,084.27/11,869.96
  6. Step 6: Final answer
    x = 9,059.18

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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.