Home / 11,701.60-17,548.80-3,382.40

Finding the Fourth Proportional to 11,701.60, 17,548.80 and 3,382.40

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Solution

The fourth proportional to 11,701.60, 17,548.80 and 3,382.40 is: 5,072.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,701.60 : 17,548.80 = 3,382.40 : x
  2. Step 2: Convert to fraction form
    11,701.60/17,548.80 = 3,382.40/x
  3. Step 3: Cross multiply
    11,701.60x = 17,548.80 × 3,382.40
  4. Step 4: Simplify right side
    11,701.60x = 59,357,061.12
  5. Step 5: Solve for x
    x = 59,357,061.12/11,701.60
  6. Step 6: Final answer
    x = 5,072.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.