Home / 11,851.61-17,764.65-6,299.36

Finding the Fourth Proportional to 11,851.61, 17,764.65 and 6,299.36

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Solution

The fourth proportional to 11,851.61, 17,764.65 and 6,299.36 is: 9,442.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,851.61 : 17,764.65 = 6,299.36 : x
  2. Step 2: Convert to fraction form
    11,851.61/17,764.65 = 6,299.36/x
  3. Step 3: Cross multiply
    11,851.61x = 17,764.65 × 6,299.36
  4. Step 4: Simplify right side
    11,851.61x = 111,905,985.78
  5. Step 5: Solve for x
    x = 111,905,985.78/11,851.61
  6. Step 6: Final answer
    x = 9,442.26

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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.