Home / 11,984.71-17,970.84-3,663.04

Finding the Fourth Proportional to 11,984.71, 17,970.84 and 3,663.04

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Solution

The fourth proportional to 11,984.71, 17,970.84 and 3,663.04 is: 5,492.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,984.71 : 17,970.84 = 3,663.04 : x
  2. Step 2: Convert to fraction form
    11,984.71/17,970.84 = 3,663.04/x
  3. Step 3: Cross multiply
    11,984.71x = 17,970.84 × 3,663.04
  4. Step 4: Simplify right side
    11,984.71x = 65,827,905.75
  5. Step 5: Solve for x
    x = 65,827,905.75/11,984.71
  6. Step 6: Final answer
    x = 5,492.66

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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.