Home / 11,718.13-17,577.25-4,792.63

Finding the Fourth Proportional to 11,718.13, 17,577.25 and 4,792.63

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Solution

The fourth proportional to 11,718.13, 17,577.25 and 4,792.63 is: 7,188.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,718.13 : 17,577.25 = 4,792.63 : x
  2. Step 2: Convert to fraction form
    11,718.13/17,577.25 = 4,792.63/x
  3. Step 3: Cross multiply
    11,718.13x = 17,577.25 × 4,792.63
  4. Step 4: Simplify right side
    11,718.13x = 84,241,167.78
  5. Step 5: Solve for x
    x = 84,241,167.78/11,718.13
  6. Step 6: Final answer
    x = 7,188.96

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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.