Home / 11,707.80-17,562.66-3,916.68

Finding the Fourth Proportional to 11,707.80, 17,562.66 and 3,916.68

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Solution

The fourth proportional to 11,707.80, 17,562.66 and 3,916.68 is: 5,875.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,707.80 : 17,562.66 = 3,916.68 : x
  2. Step 2: Convert to fraction form
    11,707.80/17,562.66 = 3,916.68/x
  3. Step 3: Cross multiply
    11,707.80x = 17,562.66 × 3,916.68
  4. Step 4: Simplify right side
    11,707.80x = 68,787,319.17
  5. Step 5: Solve for x
    x = 68,787,319.17/11,707.80
  6. Step 6: Final answer
    x = 5,875.34

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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.