Home / 11,280.90-16,924.05-3,384.09

Finding the Fourth Proportional to 11,280.90, 16,924.05 and 3,384.09

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Solution

The fourth proportional to 11,280.90, 16,924.05 and 3,384.09 is: 5,076.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,280.90 : 16,924.05 = 3,384.09 : x
  2. Step 2: Convert to fraction form
    11,280.90/16,924.05 = 3,384.09/x
  3. Step 3: Cross multiply
    11,280.90x = 16,924.05 × 3,384.09
  4. Step 4: Simplify right side
    11,280.90x = 57,272,508.36
  5. Step 5: Solve for x
    x = 57,272,508.36/11,280.90
  6. Step 6: Final answer
    x = 5,076.94

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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.