Home / 11,218.70-16,826.74-2,898.06

Finding the Fourth Proportional to 11,218.70, 16,826.74 and 2,898.06

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Solution

The fourth proportional to 11,218.70, 16,826.74 and 2,898.06 is: 4,346.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,218.70 : 16,826.74 = 2,898.06 : x
  2. Step 2: Convert to fraction form
    11,218.70/16,826.74 = 2,898.06/x
  3. Step 3: Cross multiply
    11,218.70x = 16,826.74 × 2,898.06
  4. Step 4: Simplify right side
    11,218.70x = 48,764,887.63
  5. Step 5: Solve for x
    x = 48,764,887.63/11,218.70
  6. Step 6: Final answer
    x = 4,346.75

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1.5x scale

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.