Home / 7,929.56-11,881.99-2,996.51

Finding the Fourth Proportional to 7,929.56, 11,881.99 and 2,996.51

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Solution

The fourth proportional to 7,929.56, 11,881.99 and 2,996.51 is: 4,490.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,929.56 : 11,881.99 = 2,996.51 : x
  2. Step 2: Convert to fraction form
    7,929.56/11,881.99 = 2,996.51/x
  3. Step 3: Cross multiply
    7,929.56x = 11,881.99 × 2,996.51
  4. Step 4: Simplify right side
    7,929.56x = 35,604,513.03
  5. Step 5: Solve for x
    x = 35,604,513.03/7,929.56
  6. Step 6: Final answer
    x = 4,490.10

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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.