Home / 11,240.63-16,855.76-3,340.29

Finding the Fourth Proportional to 11,240.63, 16,855.76 and 3,340.29

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Solution

The fourth proportional to 11,240.63, 16,855.76 and 3,340.29 is: 5,008.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,240.63 : 16,855.76 = 3,340.29 : x
  2. Step 2: Convert to fraction form
    11,240.63/16,855.76 = 3,340.29/x
  3. Step 3: Cross multiply
    11,240.63x = 16,855.76 × 3,340.29
  4. Step 4: Simplify right side
    11,240.63x = 56,303,109.87
  5. Step 5: Solve for x
    x = 56,303,109.87/11,240.63
  6. Step 6: Final answer
    x = 5,008.89

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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.