Home / 7,769.24-11,656.56-2,575.52

Finding the Fourth Proportional to 7,769.24, 11,656.56 and 2,575.52

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Solution

The fourth proportional to 7,769.24, 11,656.56 and 2,575.52 is: 3,864.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,769.24 : 11,656.56 = 2,575.52 : x
  2. Step 2: Convert to fraction form
    7,769.24/11,656.56 = 2,575.52/x
  3. Step 3: Cross multiply
    7,769.24x = 11,656.56 × 2,575.52
  4. Step 4: Simplify right side
    7,769.24x = 30,021,703.41
  5. Step 5: Solve for x
    x = 30,021,703.41/7,769.24
  6. Step 6: Final answer
    x = 3,864.18

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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.