Home / 11,631.56-17,447.74-3,312.04

Finding the Fourth Proportional to 11,631.56, 17,447.74 and 3,312.04

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Solution

The fourth proportional to 11,631.56, 17,447.74 and 3,312.04 is: 4,968.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,631.56 : 17,447.74 = 3,312.04 : x
  2. Step 2: Convert to fraction form
    11,631.56/17,447.74 = 3,312.04/x
  3. Step 3: Cross multiply
    11,631.56x = 17,447.74 × 3,312.04
  4. Step 4: Simplify right side
    11,631.56x = 57,787,612.79
  5. Step 5: Solve for x
    x = 57,787,612.79/11,631.56
  6. Step 6: Final answer
    x = 4,968.17

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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.