Home / 7,747.65-11,619.45-5,282.01

Finding the Fourth Proportional to 7,747.65, 11,619.45 and 5,282.01

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Solution

The fourth proportional to 7,747.65, 11,619.45 and 5,282.01 is: 7,921.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,747.65 : 11,619.45 = 5,282.01 : x
  2. Step 2: Convert to fraction form
    7,747.65/11,619.45 = 5,282.01/x
  3. Step 3: Cross multiply
    7,747.65x = 11,619.45 × 5,282.01
  4. Step 4: Simplify right side
    7,747.65x = 61,374,051.09
  5. Step 5: Solve for x
    x = 61,374,051.09/7,747.65
  6. Step 6: Final answer
    x = 7,921.63

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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.