Home / 11,789.06-17,681.40-4,767.24

Finding the Fourth Proportional to 11,789.06, 17,681.40 and 4,767.24

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Solution

The fourth proportional to 11,789.06, 17,681.40 and 4,767.24 is: 7,149.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,789.06 : 17,681.40 = 4,767.24 : x
  2. Step 2: Convert to fraction form
    11,789.06/17,681.40 = 4,767.24/x
  3. Step 3: Cross multiply
    11,789.06x = 17,681.40 × 4,767.24
  4. Step 4: Simplify right side
    11,789.06x = 84,291,477.34
  5. Step 5: Solve for x
    x = 84,291,477.34/11,789.06
  6. Step 6: Final answer
    x = 7,149.97

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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.