Home / 7,965.65-11,948.54-2,767.88

Finding the Fourth Proportional to 7,965.65, 11,948.54 and 2,767.88

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Solution

The fourth proportional to 7,965.65, 11,948.54 and 2,767.88 is: 4,151.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,965.65 : 11,948.54 = 2,767.88 : x
  2. Step 2: Convert to fraction form
    7,965.65/11,948.54 = 2,767.88/x
  3. Step 3: Cross multiply
    7,965.65x = 11,948.54 × 2,767.88
  4. Step 4: Simplify right side
    7,965.65x = 33,072,051.31
  5. Step 5: Solve for x
    x = 33,072,051.31/7,965.65
  6. Step 6: Final answer
    x = 4,151.84

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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.