Home / 11,712.77-17,581.53-11,448.35

Finding the Fourth Proportional to 11,712.77, 17,581.53 and 11,448.35

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Solution

The fourth proportional to 11,712.77, 17,581.53 and 11,448.35 is: 17,184.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,712.77 : 17,581.53 = 11,448.35 : x
  2. Step 2: Convert to fraction form
    11,712.77/17,581.53 = 11,448.35/x
  3. Step 3: Cross multiply
    11,712.77x = 17,581.53 × 11,448.35
  4. Step 4: Simplify right side
    11,712.77x = 201,279,508.98
  5. Step 5: Solve for x
    x = 201,279,508.98/11,712.77
  6. Step 6: Final answer
    x = 17,184.62

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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.