Home / 11,265.92-16,901.65-3,870.48

Finding the Fourth Proportional to 11,265.92, 16,901.65 and 3,870.48

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Solution

The fourth proportional to 11,265.92, 16,901.65 and 3,870.48 is: 5,806.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,265.92 : 16,901.65 = 3,870.48 : x
  2. Step 2: Convert to fraction form
    11,265.92/16,901.65 = 3,870.48/x
  3. Step 3: Cross multiply
    11,265.92x = 16,901.65 × 3,870.48
  4. Step 4: Simplify right side
    11,265.92x = 65,417,544.74
  5. Step 5: Solve for x
    x = 65,417,544.74/11,265.92
  6. Step 6: Final answer
    x = 5,806.68

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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.