Home / 11,359.18-17,032.08-4,781.80

Finding the Fourth Proportional to 11,359.18, 17,032.08 and 4,781.80

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Solution

The fourth proportional to 11,359.18, 17,032.08 and 4,781.80 is: 7,169.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,359.18 : 17,032.08 = 4,781.80 : x
  2. Step 2: Convert to fraction form
    11,359.18/17,032.08 = 4,781.80/x
  3. Step 3: Cross multiply
    11,359.18x = 17,032.08 × 4,781.80
  4. Step 4: Simplify right side
    11,359.18x = 81,443,914.98
  5. Step 5: Solve for x
    x = 81,443,914.98/11,359.18
  6. Step 6: Final answer
    x = 7,169.88

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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.