Home / 11,855.03-17,783.55-3,534.50

Finding the Fourth Proportional to 11,855.03, 17,783.55 and 3,534.50

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Solution

The fourth proportional to 11,855.03, 17,783.55 and 3,534.50 is: 5,302.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,855.03 : 17,783.55 = 3,534.50 : x
  2. Step 2: Convert to fraction form
    11,855.03/17,783.55 = 3,534.50/x
  3. Step 3: Cross multiply
    11,855.03x = 17,783.55 × 3,534.50
  4. Step 4: Simplify right side
    11,855.03x = 62,856,001.93
  5. Step 5: Solve for x
    x = 62,856,001.93/11,855.03
  6. Step 6: Final answer
    x = 5,302.06

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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.