Home / 11,555.65-17,343.30-4,540.56

Finding the Fourth Proportional to 11,555.65, 17,343.30 and 4,540.56

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Solution

The fourth proportional to 11,555.65, 17,343.30 and 4,540.56 is: 6,814.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,555.65 : 17,343.30 = 4,540.56 : x
  2. Step 2: Convert to fraction form
    11,555.65/17,343.30 = 4,540.56/x
  3. Step 3: Cross multiply
    11,555.65x = 17,343.30 × 4,540.56
  4. Step 4: Simplify right side
    11,555.65x = 78,748,386.19
  5. Step 5: Solve for x
    x = 78,748,386.19/11,555.65
  6. Step 6: Final answer
    x = 6,814.71

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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.