Home / 10,806.80-16,210.26-3,015.68

Finding the Fourth Proportional to 10,806.80, 16,210.26 and 3,015.68

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Solution

The fourth proportional to 10,806.80, 16,210.26 and 3,015.68 is: 4,523.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,806.80 : 16,210.26 = 3,015.68 : x
  2. Step 2: Convert to fraction form
    10,806.80/16,210.26 = 3,015.68/x
  3. Step 3: Cross multiply
    10,806.80x = 16,210.26 × 3,015.68
  4. Step 4: Simplify right side
    10,806.80x = 48,884,875.83
  5. Step 5: Solve for x
    x = 48,884,875.83/10,806.80
  6. Step 6: Final answer
    x = 4,523.53

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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.