Home / 11,982.51-17,970.67-4,964.49

Finding the Fourth Proportional to 11,982.51, 17,970.67 and 4,964.49

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Solution

The fourth proportional to 11,982.51, 17,970.67 and 4,964.49 is: 7,445.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,982.51 : 17,970.67 = 4,964.49 : x
  2. Step 2: Convert to fraction form
    11,982.51/17,970.67 = 4,964.49/x
  3. Step 3: Cross multiply
    11,982.51x = 17,970.67 × 4,964.49
  4. Step 4: Simplify right side
    11,982.51x = 89,215,211.51
  5. Step 5: Solve for x
    x = 89,215,211.51/11,982.51
  6. Step 6: Final answer
    x = 7,445.45

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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.