Home / 11,266.56-16,900.20-3,870.93

Finding the Fourth Proportional to 11,266.56, 16,900.20 and 3,870.93

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Solution

The fourth proportional to 11,266.56, 16,900.20 and 3,870.93 is: 5,806.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,266.56 : 16,900.20 = 3,870.93 : x
  2. Step 2: Convert to fraction form
    11,266.56/16,900.20 = 3,870.93/x
  3. Step 3: Cross multiply
    11,266.56x = 16,900.20 × 3,870.93
  4. Step 4: Simplify right side
    11,266.56x = 65,419,491.19
  5. Step 5: Solve for x
    x = 65,419,491.19/11,266.56
  6. Step 6: Final answer
    x = 5,806.52

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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.