Home / 11,412.30-17,103.62-4,649.99

Finding the Fourth Proportional to 11,412.30, 17,103.62 and 4,649.99

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Solution

The fourth proportional to 11,412.30, 17,103.62 and 4,649.99 is: 6,968.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,412.30 : 17,103.62 = 4,649.99 : x
  2. Step 2: Convert to fraction form
    11,412.30/17,103.62 = 4,649.99/x
  3. Step 3: Cross multiply
    11,412.30x = 17,103.62 × 4,649.99
  4. Step 4: Simplify right side
    11,412.30x = 79,531,746.63
  5. Step 5: Solve for x
    x = 79,531,746.63/11,412.30
  6. Step 6: Final answer
    x = 6,968.95

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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.