Home / 12,476.13-18,717.27-3,711

Finding the Fourth Proportional to 12,476.13, 18,717.27 and 3,711

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Solution

The fourth proportional to 12,476.13, 18,717.27 and 3,711 is: 5,567.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,476.13 : 18,717.27 = 3,711 : x
  2. Step 2: Convert to fraction form
    12,476.13/18,717.27 = 3,711/x
  3. Step 3: Cross multiply
    12,476.13x = 18,717.27 × 3,711
  4. Step 4: Simplify right side
    12,476.13x = 69,459,788.97
  5. Step 5: Solve for x
    x = 69,459,788.97/12,476.13
  6. Step 6: Final answer
    x = 5,567.41

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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.