Home / 11,826.87-17,740.30-4,810.70

Finding the Fourth Proportional to 11,826.87, 17,740.30 and 4,810.70

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Solution

The fourth proportional to 11,826.87, 17,740.30 and 4,810.70 is: 7,216.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,826.87 : 17,740.30 = 4,810.70 : x
  2. Step 2: Convert to fraction form
    11,826.87/17,740.30 = 4,810.70/x
  3. Step 3: Cross multiply
    11,826.87x = 17,740.30 × 4,810.70
  4. Step 4: Simplify right side
    11,826.87x = 85,343,245.05
  5. Step 5: Solve for x
    x = 85,343,245.05/11,826.87
  6. Step 6: Final answer
    x = 7,216.05

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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.