Home / 10,866.60-16,301.76-3,847.68

Finding the Fourth Proportional to 10,866.60, 16,301.76 and 3,847.68

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Solution

The fourth proportional to 10,866.60, 16,301.76 and 3,847.68 is: 5,772.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,866.60 : 16,301.76 = 3,847.68 : x
  2. Step 2: Convert to fraction form
    10,866.60/16,301.76 = 3,847.68/x
  3. Step 3: Cross multiply
    10,866.60x = 16,301.76 × 3,847.68
  4. Step 4: Simplify right side
    10,866.60x = 62,723,955.92
  5. Step 5: Solve for x
    x = 62,723,955.92/10,866.60
  6. Step 6: Final answer
    x = 5,772.18

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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.